Astronauts prepare for Mars with deep-sea training
Sixty feet down in the Atlantic Ocean, they'll experience conditions that mimic life on the red planet
NASA
Close-up look at Pluto's moon Charon shows new detail
A zoomed-in image of the moon's surface reveals surprising and intriguing features
Latest Pluto pictures thrill scientists
Scientists delighted by views of "baffling" terrain on Pluto, including towering ice mountains
Animated gif shows Pluto through the years
In 1930, we first spotted Pluto as a dot in the distance; 85 years and 3 billion miles later, the dwarf planet comes into focus
The Twitterverse has spoken: Pluto is a planet
Famous fans of Pluto tweet for the distant dwarf's re-promotion to planethood
LIVE: Ask NASA about Pluto
NASA scientist Dr. Jim Green answers your questions about Pluto
New Horizons races past Pluto
Once-in-a-lifetime close encounter was more than nine years and three billion miles in the making for NASA and its New Horizons probe
Thrilled by Pluto mysteries, scientists await data
Scientists say initial pictures of Pluto taken by the New Horizons probe reveal a surprisingly diverse world
Astonishing Pluto in sharp focus
Over nine years and 3 billion miles, as NASA's New Horizons spacecraft approached the distant dwarf planet, our vision of Pluto came into focus with the release Dec. 5, 2015 of the sharpest photos ever
How far away is Pluto?
Voyage to the edge of the solar system: Visualizing the 3-billion-mile divide
NASA releases "sneak peek" photo of Pluto
New Horizons spacecraft has reached the dwarf planet; space agency sends out stunning color image; history being made in outer solar system
Pluto probe hours from once-in-a-lifetime flyby
NASA's New Horizons probe hurtled ever closer to Pluto Monday, on track for a dramatic flyby Tuesday
New Horizons sheds light on Pluto's moon Charon
The mysterious object has apparent impact craters and what looks like huge chasms longer and deeper than the Grand Canyon.
New Horizons probe races toward historic Pluto flyby
"This is a scientific wonderland ... like nothing we have ever visited in the history of planetary exploration"
Excitement builds for Pluto's big close-up
"I don't expect that we will see another mission to big real estate that has not yet been explored," says NASA scientist
Closing in, New Horizons snaps best pix yet of Pluto
Taken from under 4 million miles away, a celestial stone's throw, new images of Pluto bring the icy dwarf into amazing focus
NASA astronauts picked for Boeing, SpaceX ISS flights
NASA has selected four astronauts to train for flights to the space station aboard Boeing and SpaceX commercial crew ships
X-rays from the sun reveal a rainbow of colors
A new NASA image shows active regions on the sun's surface giving off searing blues, greens, purples and yellows
Millions of black holes hidden behind veils of dust
Scientists have pulled back the celestial curtain on a universe potentially filled with supermassive black holes
Pluto probe working "flawlessly" after brief scare
The Pluto-bound New Horizons is out of safe mode and ready to resume science operations, one week from its historic flyby
Blood-red scars on Jupiter's moon Europa
This image, sent back by NASA's Galileo spacecraft, shows the moon covered with deep red gashes that look oddly biological
New Horizons to resume normal operations
NASA has resolved a subtle timing glitch that briefly knocked the Pluto-bound New Horizons probe out of action.
Follow the Pluto flyby from your smartphone
A free app gives armchair astronomers and Plutophiles a front-row seat for the historic encounter
New Horizons gets "all clear" for Pluto flyby
An exhaustive search has turned up no signs of potentially dangerous debris along the path of NASA's Pluto-bound New Horizons probe
New Horizons two weeks from historic Pluto flyby
NASA's probe is a mere 10 million miles from the enigmatic dwarf planet at the farthest reaches of the solar system
Trump and Zelenskyy say they're nearly in agreement on Ukraine peace plan
President Trump met with Ukrainian President Volodymyr Zelenskyy after he said he had a "good and very productive" call with Russian President Vladimir Putin.
Exclusive
Bondi Beach shooting hero says he just wanted to save innocent people
Ahmed al Ahmed, the man hailed as a hero for disarming one of the gunmen behind a deadly antisemitic attack on Australia's Bondi Beach, says he just wanted to save innocent people.
China launches 2 days of live-fire military drills around Taiwan
China launched live-fire drills around Taiwan on Monday that it said would simulate a blockade of the self-ruled island's key ports, prompting Taipei to condemn Beijing's "military intimidation."
U.S. slashes pledge for U.N. humanitarian aid funding to $2 billion
The U.S. announced a $2 billion pledge for U.N. humanitarian aid as President Trump's administration continues to slash U.S. foreign assistance and warns United Nations agencies to "adapt, shrink or die" in a time of new financial realities.
Bank of America CEO warns market "will punish people" without independent Fed
Bank of America Chairman and CEO Brian Moynihan stated last week that, as President Trump seeks a new chair of the Federal Reserve, maintaining the banking system's independence is paramount.
Brigitte Bardot, 1960s cinema icon and animal rights activist, dies at 91
At the height of a cinema career that spanned some 28 films and three marriages, Brigitte Bardot came to symbolize a nation bursting out of bourgeois respectability.
1 dead after 2 helicopters crash in southern N.J.
One person was killed and another was critically injured after a helicopter collision
Train accident in southern Mexico leaves at least 13 dead and dozens injured
Officials said a train accident in southern Mexico killed at least 13 people and injured dozens, halting traffic along a rail line connecting the Pacific Ocean with the Gulf of Mexico.
Ski patroller dies after getting caught in California avalanche, another hurt
A Mammoth Mountain ski patroller has died after he was caught in an avalanche while doing mitigation work on Friday, the resort said.