'Doomsday Clock' moves to 85 seconds to midnight as global tensions rise

The Bulletin of the Atomic Scientists moved its Doomsday Clock closer to catastrophe, setting it at 85 seconds to midnight, citing escalating global threats.

GRU Space taking $250,000-$1 million deposits to reserve rooms for 1st moon hotel

GRU Space hopes to have the first lunar hotel that will eventually serve as a hub and, in the future, will be the foundation for an established civilization on the moon.

NASA honors fallen astronauts at annual Day of Remembrance

NASA observed its annual Day of Remembrance Thursday to commemorate the astronauts killed in the Apollo 1 and space shuttle Challenger and space shuttle Columbia accidents.

Northern lights expected to light up sky in parts of the US Monday

A severe geomagnetic storm watch is in effect Monday night as people prepare for northern lights to dazzle the night sky across the U.S. Here's where.

3 shark attacks off Sydney in just over 24 hours; man, boy in critical condition

Three shark attacks in 24 hours leave a man and a 12-year-old critically injured and another boy unharmed at Sydney beaches. Here’s what we know.

Watch: Fascinating video shows plant 'breathing'

Using the new "Stomata In-Sight" tool to observe the microscopic movements of the stomata on plants, scientists can then help develop and breed crops that can grow in areas that experience more drought-like conditions.

Giraffe dies at Toronto zoo in 'sudden and tragic' accident

The Toronto Zoo is mourning the death of its 13-year-old male giraffe after an unexpected accident in its habitat on New Year’s Day.

Pilot reports UFO beside jet, ATC jokes: 'Good luck with the aliens'

A newly resurfaced aviation audio clip shared online has drawn attention after a private pilot reported encountering a mysterious object while flying over Rhode Island.

Video: Muddy eruption at Yellowstone’s Black Diamond Pool

A muddy eruption at Yellowstone National Park was just captured on camera in an area that has been closed to the public for hazard assessments.

Blue Origin rocket launches first wheelchair user into space

Michaela Benthaus, a paraplegic engineer for the European Space Agency, became the first wheelchair user in space Saturday.

Blue Origin's historic rocket launch scrubbed Thursday

Blue Origin’s 37th New Shepard rocket launch was set to lift off Thursday from West Texas, but it was scrubbed at the last minute.