Typhoon Noru is experiencing strong winds and towering thunderstorms with cloud top temperatures as cold as -63 degrees Fahrenheit. The storm is forecast to turn more westward before approaching Japan on July 31, prompting concerns for landfall.
The temperature of Chamber A steadily dropped from Houston's heat, reaching 20 kelvins (-424°F/-253°C), while the Webb telescope's instruments transferred heat to surrounding liquids and gases.
NASA's Suomi NPP satellite captured a visible light image of hurricane Irwin on July 25, showing an elongated band of thunderstorms around its circulation. By July 26, the cloud pattern had significantly deteriorated, with Irwin consisting of a tight circulation center surrounded by deep convection.
Tropical Depression Greg appears as a low-swirl of low clouds with some patches of convection on July 26. It is moving west at 12 mph and has sustained winds near 30 mph, forecast to become a remnant low later.
Tropical Storm Nesat has formed east of the Philippines with maximum sustained winds near 45 knots (52 mph), strengthening at a rate of 4.6 mph per hour. The storm is expected to move past the Philippines without making landfall, intensifying to 85 knots before approaching Taiwan by July 30.
NASA closely monitored Hurricane Hilary's development, noting its compact nature with winds extending 15 miles from the center. The storm was forecast to move westward at 13 mph, with some slowing down over the next couple of days.
Tropical Storm Sonca made landfall in Vietnam, bringing maximum sustained winds near 40 knots and heavy rainfall to the region. Infrared data from NASA's Aqua satellite revealed an area of strong storms with cloud top temperatures as cold as minus 63 degrees Fahrenheit.
Scientists will use twin telescopes on NASA's WB-57F jet planes to capture high-resolution images of the Sun's outer atmosphere and thermal images of Mercury. The observations aim to study coronal heating and temperature variation across Mercury's surface.
Tropical Storm Greg is weakening due to wind shear in the Eastern Pacific Ocean, with convection confined to its northwestern quadrant. The storm is expected to move towards the northwest and then west, leading to a gradual decline in its strength.
Tropical Depression Kulap is a waning storm moving west-southwest at 12.6 mph, affected by dry air and northerly wind shear. The Joint Typhoon Warning Center predicts the storm to dissipate late on July 26.
The Atmospheric Infrared Sounder instrument aboard NASA's Aqua satellite gathered data on Tropical Storm Irwin, revealing a large area of strong storms with cloud top temperatures as cold as minus 63 degrees Fahrenheit. This suggests that the storm has the potential to generate heavy rainfall and strengthen into a hurricane.
Typhoon Noru's eye was surrounded by powerful thunderstorms with cloud top temperatures as cold as 210 kelvin, indicating potential for heavy rainfall. NASA's infrared data will aid forecasters in tracking the storm's trajectory, predicting landfall on July 30 near Japan.
Hurricane Hilary is strengthening in the Eastern Pacific and is expected to become a major hurricane by July 27. The Suomi NPP satellite captured an image of the storm's compact inner core with powerful thunderstorms circling it.
Tropical Storm Greg is losing shape due to dry air in the surrounding atmosphere, resulting in a less-rounded tropical cyclone. Maximum sustained winds are near 45 mph with higher gusts, weakening is forecast during the next 48 hours.
Typhoon Noru rages near Minami Tori Shima Atoll, with sustained winds of 92 mph and powerful thunderstorms. The storm is forecast to approach Japan's Iwo To island by July 29.
NASA's Suomi NPP satellite captured an image of Tropical Storm Kulap, revealing a spiral of thunderstorms forming a clenched fist shape. The storm was moving west-northwest at 17.2 mph with maximum sustained winds near 51.7 mph.
Hurricane Hilary strengthened into a hurricane on July 24, with organized winds extending up to 10 miles from the center and higher gusts. The National Hurricane Center expects Hilary to become a major hurricane on Tuesday, July 25.
NASA's GOES-West satellite captured an infrared image of Tropical Storm Irwin on July 24, revealing a better-organized tropical cyclone. The storm is expected to become a hurricane within the next 48 hours.
Tropical Depression Roke made landfall in Hong Kong on July 23, weakening from a tropical storm earlier that day. After the landfall, NASA's Terra satellite captured visible light images of the depression, showing an elongated area of clouds and thunderstorms along the southeastern coast of China.
A new NASA study using data from the Van Allen Probes spacecraft has discovered that plasmaspheric hiss waves are more complex than previously understood. Low-frequency hiss waves interact with high-energy particles and can efficiently remove them from the radiation belts, protecting satellites.
Tropical Storm Sonca is forecast to strengthen to 57 mph before making landfall in central Vietnam on July 25. The storm appeared elongated due to wind shear but is expected to make landfall just south of the city of Vinh.
Tropical Storm Noru formed on July 21 near 28.0 degrees north latitude and 154.7 degrees east longitude, with maximum sustained winds near 40 mph. The system is expected to move west then become quasi-stationary over the next couple of days due to warm sea surface temperatures.
Tropical Storm Greg is intensifying with near 60mph winds and forecast to become a hurricane by Sunday. The storm absorbed moisture from the remnants of Tropical Depression 8E.
The 9th tropical depression of the Northwestern Pacific Ocean has formed and developed into a tropical storm, Tropical Storm Kulap. Located near 28.4 degrees north latitude and 177.7 degrees east longitude, Kulap is moving northwest at 19.5 mph with maximum sustained winds near 40 mph.
Tropical Storm Fernanda has weakened due to cooler water, dry air, and southwesterly vertical wind shear. GPM's radar revealed powerful convective storms dropping rain at nearly 7.2 inches per hour in the northwestern quadrant.
Tropical Depression 08W has been detected by NASA's Suomi NPP satellite near Hainan Island, China, with maximum sustained winds of 34.5 mph. The storm is forecast to make landfall in southeastern Hainan Island on July 22 and potentially impact Vietnam later
Tropical Depression 09E formed off Mexico's southern coast, with NOAA's GOES-East satellite capturing its image on July 21. The depression is moving westward at 14 mph, with a high probability of strengthening into a tropical storm within the next two days.
Tropical Depression 8E is characterized by a lack of organized circulation in NASA's Aqua satellite imagery. The depression is forecast to become a remnant low by this weekend, with a turn towards the southwest or south-southwest expected.
Fernanda has weakened from its peak wind speed of 143.75 mph, now with maximum sustained winds near 70 mph and higher gusts. The storm is expected to continue moving west-northwest for the next couple of days before potentially becoming a tropical depression.
The Hubble Space Telescope has captured images of Phobos, the smallest moon in our solar system, as it orbits Mars. Phobos is just 16.5 miles across and completes an orbit in just 7 hours and 39 minutes, faster than Mars' rotation.
Tropical Storm Greg is one of three cyclones in the Eastern Pacific, located near 14.3 degrees north latitude and 111.0 degrees west longitude, about 550 miles southwest of Manzanillo, Mexico. As of July 19, its maximum sustained winds were near 45 mph with higher gusts, and it's forecast to gradually strengthen over the next 48 hours.
NASA's Suomi NPP and GPM satellites observed Tropical Storm Don developing in the North Atlantic, producing moderate to heavy rainfall rates of over 4.4 inches before weakening into a remnant low pressure area.
A new Tropical Storm Depression 8E formed in the Eastern Pacific Ocean on July 18, with deep convection developing closer to its center. The depression is expected to move towards the west and southwest, with slight strengthening possible, potentially becoming a tropical storm within the next day.
Tropical Storm Don formed rapidly off Barbados, with a tropical storm warning issued for Grenada and St. Vincent. NASA's AIRS instrument analyzed the storm using infrared light to identify strong thunderstorms and cloud top temperatures as cold as -63 degrees Fahrenheit.
A combined analysis of NASA's Fermi Gamma-ray Space Telescope and H.E.S.S. data suggests the galactic center contains a high-energy trap that concentrates cosmic rays, mostly protons. This results in a gamma-ray glow extending to the highest energies observed.
Researchers at NASA's Goddard Space Flight Center are analyzing the eerie sounds made by plasma waves in space, including whistler-mode waves and chorus waves. By understanding how these waves interact with particles, scientists can improve predictions of space weather and protect satellites and telecommunications signals.
A NASA-funded citizen science project has discovered a new brown dwarf, a major milestone in the search for a distant planet. The object, WISEA J110125.95+540052.8, was identified by amateur astronomer Rosa Castro and her fellow volunteers through the Backyard Worlds: Planet 9 project.
The Neutron star Interior Composition Explorer (NICER) mission has started its science operations on the International Space Station (ISS). It will help scientists understand the nature of neutron stars using X-ray measurements. The mission aims to determine how matter behaves in their interiors.
Hurricane Fernanda's maximum sustained winds reached 100 mph, with further strengthening anticipated in the next 48 hours. The storm is moving westward at 12 mph and is expected to become a major hurricane today.
Heavy rain caused significant flooding in the US Midwest from July 7 to 14, 2017. NASA's satellite data showed parts of Wisconsin, Illinois, Indiana, and Ohio received over 6 inches of rain.
Tropical Storm Fernanda is strengthening as it moves west through the Eastern Pacific Ocean, nearing hurricane strength. The National Hurricane Center predicts significant strengthening over the next 48 hours, with Fernanda expected to become a hurricane later today.
Former Hurricane Eugene has diminished to a small area of convection in the northeastern quadrant. The storm's remnant circulation is expected to continue moving northwest and dissipate over the next couple of days.
A new sunspot group has emerged on the sun, with its dark core larger than Earth, in a video captured by NASA's Solar Dynamics Observatory between July 5-11, 2017. This is the first sunspot to appear after two days of solar spotlessness during the sun's regular 11-year cycle.
A nearly 2,240 square-mile iceberg broke off from Antarctica's Larsen C ice shelf between July 10 and 12. The event has reduced the ice shelf area by approximately 10 percent, sparking concerns about potential destabilization of the remaining ice shelf.
Tropical Depression 6E formed near southwestern Mexico on July 11, strengthening into Tropical Storm Fernanda within six hours. The storm showed cloud top temperatures as cold as -63 degrees Fahrenheit, indicating towering thunderstorms and heavy rainfall potential.
Tropical Storm Eugene is weakening due to cooler sea surface temperatures, with decreasing rainfall rates measured by NASA's Global Precipitation Measurement mission. The storm is expected to degenerate into a remnant low later in July, generating life-threatening surf and rip currents along the US west coast.
Heavy rainfall was measured by NASA's GPM mission over Hurricane Eugene as it approached its peak on July 8. The storm weakened to a tropical storm by July 11, with rain diminishing significantly in the northwestern quadrant.
A new study by NASA scientists found that Arctic winter warming events are occurring more frequently and lastingly, with an average increase of nearly two days in duration. The study also shows a significant impact on the Arctic climate system, with warmer temperatures hindering ice growth and expansion.
NASA satellites studied Hurricane Eugene in infrared and visible light, capturing images of its eye opening and closing. The storm caused dangerous ocean swells along the western coast of Baja California, Mexico, despite being far from land.
Located close to the Milky Way, IC 342 is a sweeping spiral galaxy with an active core. The Hubble Space Telescope image reveals a mixture of hot star-forming regions, cooler gas, and dark dust lanes around the bright core, indicating the presence of ionized hydrogen.