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.

Staggering Milky Way image reveals tapestry of billions of stars, galactic dust

The most extensive survey of our galaxy, the Milky Way, took two years to complete, and it was worth the wait. Now, we can all look in wonder finding new details in every pixel of the enormous image.

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.

Alaskan aurora chaser gets amazing display right on his doorstep

Vincent Ledvina is a self-described “aurora chaser”, but there was no chasing necessary one recent night, when he was treated to a vivid display of the northern lights right on his own doorstep.

‘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.

'Space jellyfish,' sonic booms herald SpaceX's first Falcon Heavy flight of 2023

The so-called ‘space jellyfish’ effect often happens during sunrise and sunset launches, but this time, the Falcon Heavy side boosters added to the display, producing a dramatic scene visible from as far away as North Carolina.

Time-lapse: Falcon Heavy launch
video

Here's a view, at four times normal speed, of the Falcon Heavy USSF-67 launch and its 'space jellyfish' exhaust plume. Note the boosters' reentry burns at the very end of the video.

Humpback whale that washed ashore in NJ likely struck by vessel: Officials

The Marine Mammal Stranding Center said that preliminary results of a necropsy on the whale indicate that the animal had “blunt trauma injuries consistent with those from a vessel strike.”

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.

2022 among warmest years on record; experts warn warmer temps to come

Government science teams say that 2022 didn't quite set a record for heat, but it was in the top five or six warmest on record depending on who's doing the measuring.

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.