Polar bear emerged unseen from Alaska snowstorm to kill woman, baby

As the attack unfolded outside a school, the principal ordered a lockdown and closed the blinds so the children couldn’t see what was happening outside the entrance.

Greenland is the warmest it's been in more than 1000 years, ice core data shows

Scientists say warming in Greenland in the past may have been masked by local weather variability. But not any more. Climate change is blowing that away.

Watch: Boston Dynamics robot shows off eerily human-like moves in new video

The robot helps a construction worker in a simulated site get his tool bag before pulling off an impressive parkour-style flip as the cherry on top.

Flashes of light may help scientists predict when solar flares may explode from the sun

Researchers used data collected from NASA’s Solar Dynamics Observatory to identify small signals of the sun’s atmosphere that will help to identify which regions on the sun were more likely to produce solar flares.

Cherry blossoms blooming already? No - but these trees on DC's National Mall are

You're taking a walk around the National Mall and something beautiful catches your eye. Is that a cherry blossom bloom? Could it be? It's only January!

‘The Last of Us’ zombie fungal parasite is real and causes ants to commit suicide

If you thought fictional zombies walking around on film were scary, the condition that turns creatures into mindless eating machines actually exists in nature.

Maryland girl finds Megalodon tooth along Calvert County beach

A young Maryland girl was searching for fossils on Christmas Day when she found a Megalodon tooth along a Calvert County beach.

Russia to replace crew capsule at space station after coolant leak

Russian space corporation Roscosmos said Wednesday that it will launch a new spacecraft to take some of the International Space Station's crew back to Earth after their capsule was damaged and leaked coolant.

Ozone hole should fully mend by 2066, UN says

A United Nations scientific report says Earth's protective ozone layer is slowly but noticeably healing.

Bright green comet may become visible to naked eye later this month

C/2022 E3 (ZTF) hasn’t come so close to Earth since the last ice age, experts say. Here’s how you may be able to see it later this month.

Old NASA satellite falls harmlessly from sky off Alaska coast

After almost 40 years circling Earth, a retired NASA science satellite plunged harmlessly through the atmosphere off the coast of Alaska, NASA reported Monday.

A look back at 2022’s most pivotal moments of space exploration

This year saw dozens of rocket launches and space science milestones that will help us better understand Earth and our universe.