Researchers analyzed Marsquakes from InSight mission, finding moderate seismic activity intermediate between Earth and the Moon. The data revealed geological layers within the planet and identified areas of high geological activity, guiding future missions searching for potential life.
The NASA InSight lander has recorded over 450 marsquakes on Mars, providing insights into the planet's internal structure and tectonic activity. The data reveals a stronger attenuation in the upper mantle compared to the lower mantle, indicating a more fractured crust.
Astronomers have discovered an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever recorded. The hot Jupiter, NGTS-10b, is perilously close to its sun and may be spiralling towards destruction.
A sub-Neptune sized planet, G 9-40b, has been validated as an exoplanet using the HPF at the Hobby-Eberly Telescope. The discovery confirms the planet's mass and orbits its low-mass host star 100 light years from Earth.
Scientists Takashi Yoshizaki and Bill McDonough developed a new compositional model for Mars, predicting the depth to its core-mantle boundary at around 1,800 km. The model suggests moderate amounts of sulfur, oxygen, and hydrogen in Mars' core, with the core accounting for only about one-sixth of the planet's mass.
A team of scientists using the Low Frequency Array (LOFAR) radio telescope has detected radio waves from exoplanets interacting with their star's magnetic field, which can heat and erode a planet's atmosphere. The discovery paves the way for novel ways to probe exoplanet environments and determine habitability.
Scientists modeled early impact events on Mars, revealing a heterogeneous mantle and challenging previous estimates of the planet's formation time. The new research provides insight into the Red Planet's evolution and composition.
Researchers analyze cyclical changes in light spectrum emitted by Proxima Centauri and suggest the presence of a second planet. The candidate planet orbits every 5.2 years and may be a 'super-Earth', challenging current models of low-mass planet formation.
A 'cold Neptune' and two temperate super-Earths, GJ180d and GJ229Ac, have been discovered orbiting nearby red dwarf stars, offering a chance to study potentially habitable worlds. The planets were found using the radial velocity method and offer insights into exoplanet formation and evolution.
Scientists studied Martian atmospheric water vapor using ExoMars Trace Gas Orbiter data, finding seasonal changes were the dominant regulator. The study suggests that warm seasons can lead to increased water loss into space, impacting Mars' continued desiccation.
A Princeton-led team of astrophysicists has shown that WASP-12b, a 'hot Jupiter' exoplanet, is spiraling inward toward its host star due to tidal forces. This process converts the planet's orbital energy into heat within the star, causing it to dissipate rapidly.
NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered the first planet to orbit two stars, TOI 1338 b. The exoplanet orbits a binary system consisting of a larger and smaller star, with the latter being only one-third the mass of our Sun.
NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star's habitable zone, TOI 700 d. The planet orbits a small, cool M dwarf star located just over 100 light-years away and is thought to be rocky with surface temperatures suitable for liquid water.
Researchers at San Diego State University have discovered two new planetary systems similar to Tatooine from Star Wars, including TOI-1338 b and KOI-3152 b. These circumbinary planets were found using NASA's TESS mission data and provide insight into the population of such systems.
Researchers found a massive gas disk around the 40-million-year-old star 49 Ceti, contradicting conventional planet formation predictions. The discovery raises questions about the origin of the gas and its impact on planetary composition.
Astronomers have found evidence of a giant planet surrounding a small, dead white dwarf star, providing insight into the evolution of our own solar system. The discovery suggests that many other planets may be hiding in similar extreme environments.
Researchers using ESO's Very Large Telescope have discovered a giant planet orbiting a hot white dwarf star, stripping away its atmosphere to form a disc. The system's unique properties provide clues to the composition of exoplanet atmospheres and challenge our understanding of planetary systems' final fate.
Véronique Dehant's research aims to understand Mars' core, which is essential for determining the planet's habitability and potential for life. The ExoMars mission will collect Martian radio science data and analyze the planet's rotation to gain insights into its innards.
Astronomers using ESO's SPHERE instrument have observed Hygiea, the fourth largest asteroid in the belt, and found it could be classified as a dwarf planet due to its spherical shape. The team's observations put Hygiea's diameter at over 430 km.
Scientists discovered significant amounts of water trapped inside diamonds, which formed hundreds of kilometers deep in the planet. The findings suggest that this subterranean water may have originated from surface oceans and played a crucial role in the Earth's natural carbon balance and life emergence.
Researchers observed unique gas flows and identified three predicted planets around young star HD 163296. The gas flows, like waterfalls, indicate the presence of infant planets pushing aside dust and gas, providing evidence for planet formation. The study offers a more complete picture of planet formation than previously thought.
A giant exoplanet has been found orbiting a small star, GJ 3512, which is unusual because low-mass stars should have less material to form planets. The discovery was made using the Doppler technique and suggests the presence of another massive planet that may have been ejected from the system.
Astronomers detected a massive planet, GJ 3512b, orbiting the small red dwarf star GJ 3512, defying predictions of theoretical models. The discovery poses questions about planetary formation mechanisms and encourages further research.
Astronomers discovered a giant Jupiter-like exoplanet orbiting a small red dwarf star, defying standard planet formation theories. The exoplanet, GJ 5312b, is nearly half as massive as Jupiter and orbits the tiny star with an eccentric 204-day orbit.
A recent study analyzed four popular David Attenborough series, finding that Netflix's Our Planet dedicated more time to environmental threats and conservation than the BBC's Blue Planet II. The researchers highlight the lack of visual depictions of human impacts on nature in these documentaries.
The latest Hubble image of Saturn reveals a planet with a dynamic atmosphere, featuring turbulent storms and subtle changes in its banded structure. The iconic hexagon at Saturn's north pole remains unchanged, while the mysterious six-sided pattern continues to intrigue scientists.
Researchers detected water vapor signatures on K2-18b, a planet in the habitable zone around a small red dwarf star. The findings suggest liquid water could pool on its surface if it's terrestrial in nature.
Scientists at University College London have discovered water vapor on the potentially habitable exoplanet K2-18b, which orbits a cool dwarf star about 110 light years from Earth. The detection confirms that the planet is in its star's 'habitable zone', where temperatures could support liquid water and life.
Researchers found that giant impacts can dramatically lower a planet's internal pressure after an impact, followed by a longer term increase as the body recovers. This new model could explain puzzling geochemical signatures in Earth's mantle and have major implications for planetary evolution.
Two McGill University astronomers have assembled a transit spectrum of Earth, a fingerprint of the planet's atmosphere in infrared light. This detection could help scientists identify planets capable of supporting life, such as TRAPPIST-1 system with seven habitable zone planets.
Astronomers have discovered a massive planet three times the size of Jupiter that orbits its star on an egg-shaped path. The planet's unique orbit takes it from within our asteroid belt to beyond Neptune, providing a rare opportunity for scientists to study extreme planetary configurations.
Research reveals that storm clouds on Jupiter affect the planet's white zones and colorful belts, changing their flow and even altering their colors. The study tracked the effects of these storms using coordinated observations from six telescopes and NASA's Hubble Space Telescope.
A team of astronomers has discovered a second giant planet, β Pictoris c, in the Beta Pictoris system. The exoplanet has a mass nine times that of Jupiter and completes its orbit in approximately 1,200 days. This detection marks the first time a planet has been found around a star like β Pictoris using the radial velocity method.
A colossal collision between Jupiter and a still-forming planet may have stirred up the core, altering its density and composition. Researchers suggest this event could explain Juno's puzzling gravitational readings, which indicate a less dense and more extended core than expected.
The study reveals that hot Jupiter WASP-121b is losing its hydrogen and helium atmosphere due to strong gravity, allowing heavier elements like magnesium and iron to escape. The observations provide insights into the planet's extreme environment and its potential for hosting life.
A team of scientists used a microscopic drop of ancient seawater to show that plate tectonics on Earth began 3.3 billion years ago, 600 million years before the previous estimate. This discovery provides insight into the first stages of plate tectonics and the start of stable continental crust.
Astronomers observe WASP-121b, a scorching hot exoplanet losing its atmosphere and emitting heavy metals like iron and magnesium. The planet's extreme conditions make it an ideal target for studying the physics of ultra-hot Jupiters.
Researchers confirm a 'hot Earth' exoplanet, GJ 357 b, and discover two additional worlds orbiting the same star, including one potentially habitable planet, GJ 357 d. The newly discovered planets are located in the habitable zone of their star, which receives about the same amount of stellar energy as Mars does from the Sun.
Astronomers have characterized a super-Earth discovered by the TESS satellite, which orbits a dwarf star every 55.7 days and may support liquid water on its surface. The planet's conditions could provide insight into Earth's heavyweight planetary cousins.
The discovery of TOI-270 includes two sub-Neptunes that could be an intermediate size between Earth and Neptune, providing insights into planetary formation. Astronomers also found a rocky super-Earth with a three-day orbit, adding to the system's potential for studying exoplanet dynamics.
The Transiting Exoplanet Survey Satellite (TESS) has discovered three new exoplanets, including one rocky planet in the habitable zone, which could potentially support liquid water and life. The newly found planets, TOI-270, are unique in that they occupy a 'missing link' between rocky Earth-like planets and gas-dominant mini-Neptunes.
The three Mars rovers, including NASA's Perseverance rover, ExoMars rover, and China's HX-1 rover, will analyze rocks and soil for evidence of life on the Red Planet. The missions aim to determine whether life could have existed on Mars in the past.
Astronomers have made the first-ever observations of a circumplanetary disk around PDS 70, a young star located 370 light-years from Earth. The ALMA data provide compelling evidence for the existence of multiple moons in the system, with two Jupiter-like planets and a potential third planet on its own orbit.
Astronomers have detected a circumplanetary disk of gas and dust around the young gas giant PDS 70 c, 370 light years from Earth. The discovery provides direct evidence of planet formation and challenges current theories.
Astronomers have identified the atmospheric composition of a mid-size planet between Earth and Neptune for the first time using NASA's Hubble and Spitzer space telescopes. The planet, Gliese 3470 b, has a large rocky core surrounded by a deep crushing atmosphere mostly composed of hydrogen and helium.
The discovery of L 98-59b marks the tiniest planet found by NASA's Transiting Exoplanet Survey Satellite (TESS) to date. The planet is around 80% Earth's size and orbits its host star every 2.25 days, receiving up to 22 times the energy of our planet.
Researchers using ALMA pinpointed a small dust concentration in the disk around TW Hydrae, suggesting a potential planet formation site. The discovery provides valuable insights into the process of planet formation and may help identify the final stage of planetary growth.
A Southwest Research Institute-led team studied the orientation of distant solar system bodies in binary pairs, providing insights into planet formation. Most Kuiper Belt objects (80%) orbit in a prograde direction, contradicting theories on binary formation and supporting the streaming instability hypothesis.
The study suggests that massive planets form through slow material accumulation, while brown dwarfs come about due to rapid gravitational collapse. The discovery advances the idea of bottom-up planet formation and highlights the differences in planetary systems beyond our own.
The Gemini Planet Imager survey discovered six planets and three brown dwarfs orbiting 300 stars, offering new insights into the formation of Jupiter-like planets and their distribution around high-mass stars. The findings suggest that wide-orbiting giant planets are more common around high mass stars, but rare around sun-like stars.
New research analyzes light from CI Tau b, a close-orbiting giant exoplanet, to determine its mass and brightness. The study provides strong evidence for the 'hot start' theory of planet formation, challenging traditional models.
A Neptunian planet, NGTS-4b, discovered using the Next-Generation Transit Survey (NGTS) facility, is a small world 20% smaller than Neptune, orbiting its star in just 1.3 days. It has been nicknamed 'The Forbidden Planet' due to its extreme temperatures of 1,000 degrees Celsius.
Scientists from NASA's Goddard Space Flight Center discovered a large, solid iron core in Mercury's center, approximately 1,260 miles wide. This finding sheds light on the planet's interior structure and its cooling rate, potentially helping predict Earth's magnetic field changes.
Researchers found evidence of a solid inner core in Mercury, approximately 1,260 miles wide and making up half the planet's core. This discovery helps scientists better understand Mercury's interior and offers clues about how rocky planets change over time.
The discovery of Kepler-47d, the third planet in the Kepler-47 circumbinary system, sheds light on the formation and composition of low-density planets. The new planet's size and location were unexpected, with it being the largest of the three planets in the system.
The TESS mission has discovered its first Earth-sized exoplanet, HD 21749c, which orbits a nearby star in just 7.8 days. The planet is likely a rocky, uninhabitable world with surface temperatures of up to 800 degrees Fahrenheit.
The discovery of an Earth-sized planet and a warm sub-Neptune-sized world in the HD 21749 system marks a significant milestone for NASA's TESS mission. The planets have distinct orbital periods, with the sub-Neptune taking 36 days to complete its orbit.
Scientists at UC Berkeley discovered that mountain formation in the tropics triggers global cooling, resulting in ice caps. The team found that volcanic arc-continent collisions in the tropics expose rocks with high CO2-absorbing capacity, cooling the planet.
A new study reveals that the Earth's lower mantle is more dynamic than previously thought, with increased flow in regions where ancient ocean floors plunge into the planet's core. This discovery has significant implications for understanding how quickly Earth is cooling and the dynamic evolution of our planet.
Astronomers confirm the existence of a hot Jupiter-like planet, Kepler-1658 b, orbiting an evolved star. The discovery, led by University of Hawaii graduate student Ashley Chontos, provides new insights into planetary interactions and the rarity of planets around similar stars.