Cosmic rays could harm crew on Mars mission
Researchers fear long-term exposure could damage astronauts' brains and nervous systems
NASA
NASA's Messenger probe crashes onto Mercury
NASA's out-of-fuel Messenger spacecraft crashed on the surface of Mercury Thursday, ending an 11-year mission
"Catastrophic end" for out-of-control space cargo ship
Russian engineers can't control a supply ship hurtling toward Earth and can't predict just when or where debris may land
NASA probe detects possible polar cap on Pluto
Two months from a historic flyby of Pluto, New Horizons is now detecting surface features on the icy world for the first time
Images show planet Mercury in amazing technicolor
A day before NASA's Messenger is set to crash land into Mercury, the space agency released these stunning pictures
Russia abandons effort to salvage ISS supply ship
Russian flight controllers called off attempts to save a wayward space station cargo ship that spun out of control after launch
Millions of H-bomb-sized explosions heat sun's corona
Scientists believe nanoflares are the reason why the sun's atmosphere is almost 300 times hotter than the surface
This is astronaut Scott Kelly's bedroom in space
Kelly tweeted a picture of his minuscule bedroom aboard the ISS, where he is spending a full year
After 25 years of Hubble, NASA plans ambitious follow-up
NASA plans to follow the Hubble Space Telescope with two exotic new observatories
Dramatic new Hubble photo marks 25th anniversary
NASA unveiled a stunning new photo from the Hubble Space Telescope on Thursday to mark the observatory's 25th anniversary
Will Hubble last another 5 years?
NASA "is used to something on Hubble breaking every five years," but the Space Telescope is in good health and going strong
Crazy and not-so-crazy fixes for California drought
Ending the water crisis will take tough conservation measures, expanded recycling, and maybe a few "Jetsons"-like tech solutions
Dwarf planet Ceres reveals its mystery spots
Scientists are getting a second look at a pair of surprising bright spots on the dwarf planet's pocked surface
Breathtaking Hubble Telescope images
Since it was launched in 1990, the Hubble Space Telescope has sent breathtaking images back from the deepest corners of space
Hubble marks 25 years in space
After a rocky start a quarter century ago, the Hubble Space Telescope has achieved rock-star status in the world of big science
Search for alien life comes up empty
A team scouring 100,000 galaxies has found no sign of intelligent life, but insists the search will continue
Spacecraft takes first color image of Pluto
On its way to an unprecedented flyby of Pluto, NASA's New Horizons spacecraft snapped a special shot
Storms the size of Earth on Saturn, explained
New research helps explain the cause of the gigantic storms that occur every few decades
Finally, a place to get a good cup of coffee in space
Italian astronaut Samantha Cristoforetti and the space station crew are getting a long-awaited espresso machine
Mysterious methane mass hovering over Southwest
Scientists are searching for the source of a giant concentration of the heat-trapping gas over the Four Corners region
America's first astronauts
On a spring day in 1956, NASA unveiled the seven Americans who would make spacefaring history
Hubble spots ghosts of quasars past
The space telescope caught the haunting remnants of a collision between two distant galaxies
Scott Kelly: Work-life balance important in space
The astronaut answered questions at the start of his 342-day stay on the space station, which he said feels like "an old home"
Astronaut's awesome Vine shows storms from space
NASA's Terry Virts tweeted this video of powerful thunderstorms in Africa from aboard ISS, along with some other gems
NASA Mercury probe trying to survive for another month
Engineers want to eke a little more work out of the spacecraft before it runs out of fuel and crashes into the planet
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Charlie Kirk shooting suspect charged with aggravated murder, could face death penalty
Tyler Robinson, the man accused of assassinating conservative activist Charlie Kirk in Utah, was charged with aggravated murder.
FBI's Patel faces questions on Kirk probe, Epstein files at Senate hearing
FBI Director Kash Patel testified for more than four and a half hours before the Senate Judiciary Committee, where he fielded questions over his leadership of the bureau.
Robert Redford, charismatic star and Oscar-winning director, dies at age 89
One of Hollywood's leading actors, Robert Redford starred in such movies as "Butch Cassidy and the Sundance Kid" and "The Way We Were."
Trump unlikely to escape Epstein scandal on historic state visit to U.K.
The ongoing fallout over Epstein is likely to follow Trump on his formal state visit to the U.K., which just lost its ambassador in D.C. to the scandal.
Luigi Mangione's state terrorism charges dismissed, judge rules
Luigi Mangione, accused of shooting UnitedHealthcare CEO Brian Thompson, appeared in court where his state terrorism charges were thrown out.
DHS Secretary Kristi Noem visits Chicago area amid ICE operations
Homeland Security Secretary Kristi Noem visited the Chicago area amid increased ICE operations the Trump administration dubbed "Operation Midway Blitz."
U.N. commission concludes Israel is committing genocide in Gaza
Experts commissioned by the U.N. Human Rights Council say Israeli forces are "continuing to commit" genocide in Gaza. Israel calls the report Hamas lies.
U.S. lifts travel restrictions on Hungarian citizens
The Biden administration in 2021 imposed restrictions on Hungarian passport holders born outside of Hungary.
Smoke-dried remains found in Asia may be world's oldest mummies
Some ancient societies in Asia appear to have smoke-dried their dead, effectively mummifying them thousands of years earlier than their Egyptian counterparts, new research has found.