Common dolphins in New Zealand are biologically older than their calendar ages. Trace metals and “forever chemicals” may be to blame.

A century of hints has suggested the famed red supergiant had a star pal but seeing it amid Betelgeuse’s brightness has been hard — until now.

Researchers scanned the ears of hundreds of marine mammals to deduce when pinnipeds evolved to hear well in both air and ...

Scuba divers may be beating up coral reefs more than they think. Video analyses of divers show that more than 80 percent of damaging physical contact with the reef is unintended or simply unnoticed, ...

Remains pulled from the La Brea Tar Pits revealed deformed vertebrae and rare tumors, possible signs of inbreeding among ...

A chat with aged avatars of future selves can guide people paralyzed by tough decisions. The question is what information to ...

The inferno that sent toxic smoke billowing toward the United States won't be the last. Officials are now battling both the ...

Prior moon rock samples, including from Apollo, seem heavily influenced by one impact. The farside samples tweak the story.

A rare astronomical sight is unfolding in the southern sky. Two exploding stars are shining so brightly that both can be viewed with the naked eye. It’s hard to predict how long these “fascinating ...

A new generation of therapies aims to intervene at a recently discovered gap between the disease’s molecular march and its ...

Killer whales might pulverize sunfish to break them into smaller bites for young orcas — or they might just find it ...

In 2021, local journalists reported that the University of Pennsylvania had been keeping human remains from the ...