Life on Mars: What we know after NASA's announcement

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.

Study reveals pre-CTE damage in brains of even young contact-sport athletes

An NIH-funded study of athletes under 51 found repeated head impacts can cause early neuron loss and brain inflammation years before CTE is detectable.

Wildlife regulators approve burbot catch limits in Michigan

Burbot fishing has grown in popularity recently. But so have the pressures on the species as invasive mussels continue to spread around their habitat.

Rocks found by NASA's Mars rover offer strongest hints yet of past life

Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.

Hikers on psychedelic mushrooms rescued after getting lost in NY mountains

A hiking trip took a “trippy" turn that ended with a group having to be rescued from a popular mountain destination in New York State last month.

Arkansas man, 72, mauled by 70-pound bear

The man suffered extensive injuries to his face and upper body before being airlifted to a hospital.

Man dies in shark attack at Sydney beach

A man in his 50s was killed by a large shark while surfing at a beach near Sydney, Australia on Saturday.

Total lunar eclipse coinciding with this weekend’s full moon

This month’s full moon coincides with a lunar eclipse – but it unfolds on the opposite side of the world Sunday night and early Monday.

Burbot fishing booms in Michigan, worrying researchers and anglers that the species is faltering

As overharvesting and invasive species threaten the coldwater fish, Michigan is proposing first-ever catch limits on burbot. Meanwhile, researchers are racing to better understand the relatively-unknown fish.

See it: Photos show glowing baby planet outside of our solar system

Astronomers have, for the first time, detected a planet growing inside a cleared gap of a protoplanetary disk, confirming long-held theories about how young planets shape their star systems.

Wildlife Photographer of the Year sneak peek: See the stunning photos

A dramatic stand-off between a lion and a cobra. A lone elephant wading through a landfill in Sri Lanka. Here's a sneak peek at the Wildlife Photographer of the Year's top photos.

Watch: Video shows rare fish's ability to climb rocks

The tiny fish were seen swimming, or rather "climbing" up rocks, a behavior that hadn't been seen before.

See the clearest photo yet from the surface of Mars

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.

A rare ‘Black Moon’ set to rise this week: What to know

Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.