for scientists and the public to track a sizeable rock crossing the sky with unprecedented clarity, according to data from NASA and planetary researchers. The object, catalogued as 99942 Apophis and roughly 1,100 feet (340 meters) in diameter, is slated...

days of simulated microgravity with doses of galactic cosmic radiation and solar particle event radiation delivered at the NASA Space Radiation Laboratory, approximating the cumulative dose an astronaut might encounter on a Mars mission. Analysis of the...

on JWST, scientists mapped the chemical makeup of Beta Pictoris and uncovered a third planet, Beta Pictoris d. Image credit: NASA, ESA, CSA, STScI, Leah Hustak (STScI); Science: Aidan Gibbs (UC San Diego), Jean‑Baptiste Ruffio (UC San Diego), Alexis...

predominantly barchan dunes—crescent‑shaped piles of sand that migrate under the influence of prevailing winds. According to NASA, barchans develop when wind lifts sand up the gentle leeward side, allowing it to cascade down the steeper slip face, with...

Black Hole The breakthrough came from XRISM, Japan’s next‑generation X‑ray mission developed in partnership with JAXA, NASA, and the European Space Agency. The observatory detected extremely hot gas moving at high velocities within the galaxy, a...

of Andromeda stars reveals a mysterious, unexpected change spreading across its spiral disk. A comprehensive analysis of NASA’s Hubble Space Telescope data shows that the Andromeda galaxy has been steadily losing its ability to form new stars over the...

nearby cosmic example suggests tiny red dots are a brief phase in supermassive black hole growth. Little red dots spotted by NASA’s James Webb Space Telescope may not be a distinct galaxy class after all. New research published in The Astrophysical...

event examined by the Lancaster University team. Images taken by the Mars Color Imager (MARCI), a wide-angle camera aboard NASA’s Mars Reconnaissance Orbiter (MRO), that maps daily weather conditions across the planet.Credit: NASA/JPL-Caltech/University...

atmosphere absorbs and scatters starlight. JWST spectrum of WASP-39b revealing the planet’s atmospheric composition. Credit: NASA, ESA, CSA, Joseph Olmsted (STScI) The analysis indicates that the D/H ratio in WASP‑39b’s atmosphere is markedly higher...

showing the western sky just after sunset on Aug. 14, highlighting the close pairing of Venus and the crescent Moon. Credit: NASA/JPL‑Caltech Through a telescope, observers will notice Venus displaying a half‑moon phase around mid‑month, with roughly 48...

of the object that triggered the mass extinction. Location of the Chicxulub crater on Mexico’s Yucatán Peninsula. Credit: NASA/JPL-Caltech “These are definitely not like the typical meteors you find in museum collections,” said Professor Philippe...

rock samples. In the initial series of tests, Harrison Lisabeth and Nicholas Schmerr examined regolith simulant supplied by NASA’s Johnson Space Center. The synthetic material mimics lunar soil, allowing the team to observe how its internal structure...

multi-band astronomical Variable Objects Monitor) mission, a collaboration between France and China. Within ninety minutes, NASA’s Neil Gehrels Swift Observatory refined the coordinates, facilitating a rapid follow-up by ground-based facilities. Eleven...

of very efficient chemical reactions that lead to water formation kick in,” said Bialy. History of the Universe. (CREDIT: NASA) Paving the Way for Rocky Worlds The implications extend beyond mere water production. Additional simulations conducted by the...

The Moon’s far side as first photographed by the Soviet Luna 3 spacecraft in 1959, left, compared with a modern view from NASA’s Lunar Reconnaissance Orbiter. The heavily cratered terrain is the region astronomers hope to use as a shielded site for...

and potentially lower costs. For decades, planetary exploration has been the exclusive domain of national agencies like NASA and the ESA. The Morning Star program represents a fundamental pivot toward commercial involvement in the solar system. The...

and dust surrounding the nucleus—as the object approached its perihelion, or closest point to the Sun, in August 2024. This NASA visualization depicts a comet approaching the Sun, with rising temperatures triggering the formation of its coma and tail....

evolved from a red supergiant into a Wolf-Rayet star. Credit: Brian D. Moore, Jeff Hester, Paul Scowen, Reginald Dufour and NASA/ESA The Mechanics of a Cosmic Shell The 25-light-year-wide bubble we see today is not merely a static cloud of debris. It is...

rotational variables can force a satellite to spiral inward until it meets a destructive end. Image of fiery Venus. (CREDIT: NASA/Jet Propulsion Laboratory-Caltech) “My study shows Venus didn’t require a catastrophe to arrive at what we can see today,”...

polar regions using reflectance measurements, Icarus (2017) Detection of water in the LCROSS ejecta plume, Science (2010) NASA Achieves Water Recovery Milestone on International Space Station, NASA (2023) A rendering of Rolls-Royce’s proposed nuclear...