Fat Bear Week 2022: Meet this year's chunky challengers competing for the top spot

Bears are preparing for hibernation, and the public gets to judge a chosen sleuth of bears who have been packing on the pounds for this year's Fat Bear Week competition.

Nobel Prize in chemistry awarded to trio for 'snapping molecules together'

Americans Carolyn R. Bertozzi and K. Barry Sharpless and Danish scientist Morten Meldal were cited for developing a way of attaching molecules that can be used to design better medicines.

Asteroid slammed by NASA spacecraft has debris trail over 6,000 miles long

Astronomers captured the scene millions of miles away with a telescope in Chile, showing an expanding, comet-like tail after the asteroid impact.

Nobel Prize in physics awarded to 3 scientists for work on quantum information

Alain Aspect, John F. Clauser, and Anton Zeilinger were cited by the Royal Swedish Academy of Sciences for "pioneering quantum information science.”

Nobel prize in medicine awarded to Svante Paabo for research on evolution

Swedish scientist Svante Paabo and his team found that gene flow occurred from Neanderthals to Homo sapiens, "demonstrating that they had children together during periods of co-existence."

Kurt, world's 1st clone of rare horse, learning 'wild language' from female companion

A rare wild horse that was cloned in 2020 recently made his debut to visitors at the San Diego Zoo and is learning from Holly, a young female of his own species.

Direct impact: NASA's DART spacecraft successfully slams into asteroid

The DART mission is humanity's first-ever attempt to change the motion of an asteroid in space by intentionally crashing a spacecraft into it.

NASA's Artemis I launch delayed again because of tropical forecast

NASA has scrubbed Tuesday’s launch of the Artemis I moon rocket as Florida prepares for a potentially major hurricane.

Artemis I moon rocket fueling test complete after NASA engineers overcome hydrogen leak

During the test, NASA attempted a "kinder and gentler" approach using lower pressure to fill the 322-foot-tall SLS rocket with thousands of gallons of cryogenic fuel.

Rescue efforts underway after 230 whales stranded on Australian shore

About 230 whales have been stranded on Tasmania’s west coast in Australia, and at least half are presumed to still be alive, officials said.

Fueling test will determine fate of NASA’s next Artemis I moon rocket launch attempt

NASA managers said Monday they are ready to check engineers' work fixing a fuel leak on the Artemis I rocket, which scrubbed the space agency's most recent launch attempt from Kennedy Space Center in Florida.

Reno air crash: Pilot killed while competing in championship

The crash occurred on the third of six laps during the Jet Gold Race on outer pylon 5, according to race officials.