Nearly two-thirds of coral reef sharks threatened with extinction from overfishing as main cause, study finds

The study, published in Nature Communications, shows that 59% of the 134 coral-reef associated shark and ray species are being threatened with extinction, making them the most threatened groups found on coral reefs alongside marine mammals.

Dinosaur fossils unearthed in Chile may give insight into deadly asteroid strike

The new fossils are from birds and killer dinosaurs, such as the megaraptor, and provide clues about their life before — and after — the fatal asteroid strike.

First Native American woman in space steps out on spacewalk

Nicole Mann, a Marine colonel and test pilot, rocketed into orbit last fall with SpaceX, becoming the first Native American woman in space. She is a member of the Wailacki of the Round Valley Indian Tribes in Northern California.

Watch: Drone video captures the world’s largest hatching of baby turtles

Between mid-December and early January, millions of baby river turtles emerged from the sandy beaches of the Amazon’s Guaporé/Inténez River.

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.