Nicotinamide significantly lowered the risk of common non-melanoma skin cancer in high-risk patients, reducing incidence by 23% compared to placebo controls. The treatment also cut the incidence of pre-cancerous sun spots by around 15%.
A study of people with multiple sclerosis found that those who spent time in the sun every day during their teenage years developed the disease later than those who did not. The study also found that people who were overweight at age 20 developed the disease earlier than those who were average weight or underweight.
A team of scientists analyzed observations of sunspots as they formed using data from Hinode, SDO, and IRIS satellites. They modeled the observations using state-of-the-art numerical simulations performed on the Pleiades supercomputer at NASA Ames Research Center. The study reveals that the territorial struggles between magnetic bundle...
A team of astronomers at the University of Maryland and NASA's Goddard Space Flight Center has found evidence for a new intermediate-mass black hole about 5,000 times the mass of the sun. The discovery adds to the list of potential medium-sized black holes and strengthens the case for their existence.
The Solar and Heliospheric Observatory has discovered its 3,000th comet, thanks to a volunteer astronomer in Thailand. This milestone marks a significant achievement for SOHO's comet project, with over 200 comets found annually by citizen scientists.
Scientists at NASA's Solar Dynamics Observatory (SDO) have captured the rare alignment of the sun, moon, and Earth. During this event, a partial solar eclipse was visible from parts of Africa and Antarctica, providing a unique opportunity to study the effects of these celestial alignments.
Researchers at the University of Michigan have developed solar cells that can track the sun using a kirigami-inspired design. The array of small solar cells tilts within a larger panel, keeping their surfaces more perpendicular to the sun's rays and raising the effective area soaking up sunlight.
Researchers confirm coronal heating mechanism using observations from NASA's IRIS and Japan's Hinode solar observatory. Resonant absorption process converts magnetic waves into heat energy, explaining why the sun's corona is hotter than its surface.
Soldiers who served in Iraq and Afghanistan returned home with a higher risk of skin cancer, largely due to inadequate sun protection and lengthy daily sunlight exposure. The study found that only 13% of veterans routinely used sunscreen and 63% experienced at least one sunburn during deployment.
Researchers discovered that photoaging can be reversed by understanding how UV radiation affects skin fibers. Polina Mamoshina's study using Geroscope software platform analyzed pathway dysregulation in chronologically-aged and photoaged skin.
Researchers predict a new Little Ice Age may begin by 2030, with reduced solar activity leading to significant cooling of the Earth's atmosphere. This decrease in solar irradiance could result in severe winters and cold summers, similar to those experienced during the Maunder minimum in the 17th century.
A Brazilian-led team has discovered a planet with a mass similar to Jupiter's, orbiting a Sun-like star at almost the same distance. The planet's host, HIP 11915, is also similar in mass and age to our Sun, with a composition that hints at possible rocky planets.
Researchers found that afamelanotide significantly improves pain-free sun exposure and quality of life in patients with erythropoietic protoporphyria. The treatment reduced the number of phototoxic reactions and improved overall quality of life, offering patients increased daily functionality.
Researchers have documented the full spectrum of UV radiation-induced DNA damage in human skin cells, allowing manufacturers to develop targeted sunscreen products. The study's findings reveal that prolonged sun exposure leads to an accumulation of damaging free radicals, causing skin aging and potentially initiating skin cancers.
A new study by Stanford researchers found that larger physician groups tend to drive up healthcare costs due to their increased market power. The nationwide average cost of knee replacements decreased, but fees in highly concentrated markets rose 7% compared to less concentrated areas.
DSCOVR will provide enhanced measurements of solar wind conditions to warn of potentially harmful solar activity, predicting geomagnetic storm magnitude on a regional basis. The satellite's unique vantage point at Lagrange point 1 allows for early warnings of large magnetic eruptions from the sun.
Researchers have discovered a young planetary system with a ring-like disk of debris surrounding a Sun-like star, sharing similarities with the formation of our own early solar system. The disk is roughly the same size as our solar system's Kuiper Belt and may contain dust and icy particles.
Researchers will present novel optical systems for detecting exoplanets and measuring the Sun's internal structure. A device called a laser frequency comb will also detect minute changes in light from the sun, enabling the detection of Earth-like planets around distant stars.
A study of Colorado local government organizations found that only 87% had sun-safety policies, with few addressing environmental controls and administrative procedures. Most employers failed to provide sun-protection equipment or training, leaving workers vulnerable to UV radiation.
A calibration mission on a Terrier-Black Brant suborbital sounding rocket will help calibrate the EVE instrument on NASA's Solar Dynamics Observatory (SDO). The mission aims to measure the total energy output of the sun in extreme ultraviolet light waves and track changes over time.
Scientists at NJIT's Big Bear Solar Observatory have captured groundbreaking images of the Sun's interior structure, revealing complex dynamics of sunspots' dark cores. The high-resolution images show finely structured plasma flows and oscillating cool jets piercing the hot atmosphere.
A UH-led team successfully observed the total solar eclipse over the Arctic, capturing breathtaking images of the sun's corona. The team braved extreme weather conditions and polar bear danger to set up equipment at two locations in the Svalbard archipelago.
Researchers present strong evidence for the coronal heating theory, suggesting that tiny explosive bursts of heat called nanoflares are responsible for heating the sun's atmosphere. The new findings come from NASA's EUNIS sounding rocket mission and NuSTAR X-ray observations, providing insight into the solar corona.
Scientists capture first high-res images of flaring magnetic structures known as solar flux ropes, providing insights into massive eruptions on the Sun's surface. The images were taken with NJIT's newly commissioned 1.6m New Solar Telescope at Big Bear Observatory.
New research matches underwater volcanic eruptions with their sound signatures to better detect seafloor emissions. Shale boom is linked to increased ozone pollution concentrations in Texas areas. Titan's atmosphere changes fluctuate according to the Sun's magnetic cycle, affecting methane levels.
The Milky Way's star formation rate peaked 10 billion years ago, but our sun formed about 5 billion years ago. This may have fostered the growth of our solar system's planets by enriching the galaxy with heavier elements.
Scientists have discovered a nearly-annual cycle of solar activity that can drive space weather events, including solar storms at Earth. This discovery could improve forecasts of space weather by understanding the interaction between magnetic field bands on the sun.
New research reveals quasi-annual variations in solar activity that can amplify or weaken solar storms, affecting Earth's atmosphere. Understanding these variations could lead to improved predictions of space weather events and mitigation strategies.
Scientists have made significant discoveries about the Sun's behavior in soft X-rays, shedding light on heating mechanisms and coronal composition. The study found that nanoflares, tiny explosions on the Sun, could be responsible for increased soft X-ray emissions, which also affects space weather events near Earth.
Scientists have observed two large coronal holes on the sun, with one covering about 6-8% of the total solar surface and another 0.16%. These regions can emit fast solar winds that affect Earth. The unique magnetic fields in these areas extend far into space.
A new study published in Geology reveals a close correlation between solar activity and sea surface temperatures in the North Atlantic during cool periods over the last 4,000 years. The research sheds light on the importance of solar forcing in shaping climate change patterns, providing a crucial piece of the overall climate puzzle.
A unique comet, not part of a known family, survives its trip to within 2.2 million miles of the sun's surface. This is one of the few instances where a comet has been observed and recorded by SOHO in recent years.
Researchers propose a new model showing the sun's magnetic field controls the shape of the heliosphere by accelerating solar wind into two jets. This understanding could have implications for future space travel and help us comprehend the filter protecting the solar system from galactic cosmic rays.
Scientists discover that the sun's magnetic field controls the large-scale shape of the heliosphere, producing two jets that split its tail, similar to astrophysical jets observed in other stars and black holes. The discovery could lead to better understanding of particle acceleration, cosmic rays, and space travel protection.
Researchers have discovered that licorice extract's antioxidant active compound Licochalcone A strengthens the skin's defense systems, producing higher amounts of self-protecting molecules. This approach may provide superior sun protection by combining physical and biological defenses.
Researchers have standardized historical sunspot data, revealing that solar activity has been consistent throughout history, including during the Enlightenment. The study also shows that there were intense periods of solar activity in the past, such as the Maunder minimum.
A joint QUT, Cancer Council Queensland, and University of Queensland study tested the impact of SMS-delivered messages on skin cancer prevention and promotion. The Healthy Text trial found that texting improved self-reported sun protection habits and increased skin self-examination among participants.
A smartphone app improved some sun protection behaviors, including increased shade use and combined use of all sun protection behaviors. However, there was no significant difference in sunburns between groups. Strategies to increase mobile app usage are needed for effective deployment.
DSCOVR will observe the sun, tracking Coronal Mass Ejections that can affect power grids and communications systems. The satellite will also study the Earth from its unique L1 orbit, providing multi-spectral images and radiation measurements.
Researchers at Sandia National Laboratories have discovered that iron's opacity plays a significant role in regulating energy transfer within the sun. By creating conditions similar to those found inside the sun, the team was able to measure the opacity of iron and close a theoretical gap in the Standard Solar Model.
Scientists have explained the origin of theta auroras, a type of high-latitude aurora that was unclear until now. The mysterious phenomenon is linked to hot plasma in the magnetosphere, caused by magnetic reconnection and funneled into near-Earth space from the sun.
The FOXSI mission will observe high-energy X-rays from the Sun, helping scientists understand solar flares and the sun's atmosphere. By detecting these faint events, researchers aim to confirm the existence of nanoflares, which are thought to occur constantly but are difficult to detect.
Researchers found a 50% increase in UK thunderstorms when the Sun's spiral-shaped magnetic field pointed towards or away from Earth, potentially exposing the upper atmosphere to galactic cosmic rays. This discovery could lead to a reliable lightning forecast system that provides weeks-in-advance warnings of hazardous events.
A mid-level solar flare was detected by NASA's Solar Dynamics Observatory on Nov 16, 2014, emerging from an active region that previously rotated across the front of the sun in October. The M5.7-class flare is a tenth the size of X-class flares and may disturb GPS and communications signals.
The largest sunspot of the solar cycle, AR 12192, was tracked by NASA's Solar Dynamics Observatory. The active region produced six X-class flares and four strong M-class flares, with the largest flare reaching X3.1 intensity. Despite the intense activity, no coronal mass ejections were observed.
A handheld device developed by UT Arlington researcher Yuze Sun can analyze a person's breath to reveal the presence of hazardous gases, such as those specific to diabetes. The device has the potential to non-invasively monitor blood sugar levels and detect chemical markers in complex samples.
New observations from the Interface Region Imaging Spectrograph (IRIS) suggest that miniature solar flares called 'nanoflares' could be partly responsible for heating the Sun's million-degree corona. High-energy electrons generated by these nanoflares may deposit energy in the plasma, leading to coronal heating.
The study provides five key findings on the sun's atmosphere, including heat pockets of 200,000 degrees Fahrenheit and structures resembling mini-tornadoes. These discoveries help researchers better understand the sun's energy transfer and dynamic solar activity that impacts technological infrastructure in space and on Earth.
A QUT study found that more than 50% of outdoor workers rated UV radiation exposure as a major concern. The study developed personalized sun protection action plans, which led to significant increases in workers' behaviors and attitudes towards sun protection.
Scientists use NASA's Solar Dynamics Observatory to study a gigantic filament on the sun, which can last for days or weeks. The filament is 1 million miles wide and appears in different temperatures and wavelengths of extreme UV light.
VAULT2.0 will observe light emitted from hydrogen atoms at extreme temperatures to understand coronal heating. The launch allows for six minutes of observations above the atmosphere, capturing images every six to eight seconds.
A team of scientists found that much of Earth's water originated as ices in interstellar space, predating the Sun's birth. This discovery has implications for the potential emergence of life elsewhere in the universe.
Researchers found that hot Jupiters, large gas giants outside our solar system, can make their suns wobble due to gravitational influence. This phenomenon leads to chaotic spin-axis changes in the star, similar to weather and climate patterns.
Brightpoints provide a new way to track magnetic field evolution and material flow inside the sun. Researchers found that bands of these markers moved steadily toward the equator over time, along the same path as sunspots.
For the first time, physicists have directly detected neutrinos created by the 'keystone' proton-proton fusion process at the sun's core. The detection was made possible by the Borexino instrument, which detects neutrinos as they interact with an ultra-pure organic liquid scintillator.
Researchers at Lund University found that toothpaste fluorine is formed in stars similar to our sun, supporting a theory about its origins. By analyzing light emitted by stars, they calculated the amount of fluorine present and compared it with predictions.
Researchers have reconstructed solar activity at the end of the last ice age, showing a persistent link between solar activity and Greenland climate. The study suggests that reduced solar activity could lead to colder winters in Northern Europe, while warmer winters are seen in Greenland with greater snowfall.
Astronomers have accurately measured a rare black hole about 400 times the mass of our sun in a galaxy 12 million light years from Earth. The finding confirms the existence of intermediate-mass black holes, which were previously disputed due to lack of data.
Researchers have dated the final addition of heavy elements like gold and platinum to the solar system 100 million years before the sun's birth. This discovery has shed light on the sun's prehistory, including the duration of an 'incubation' period that preceded its formation.
Astronomers have used a new technique to measure the ages of 22 Sun-like stars, revealing properties similar to our Sun. The study's lead author found 'solar twins' that can be studied to predict planetary system evolution.