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

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

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

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

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

Scientists documented humpback whales hunting together at the seafloor, coordinating their arrival to scoop up sand lances.

The object orbits a brown dwarf that orbits a star, and astronomers aren’t sure if it’s a planet, a moon — or something else ...

Scientists have identified four types of black holes, classified mostly by their masses. But these mysterious objects ...

A new snake’s unique head anatomy suggests early snakes were even more diverse than thought. This one was a rare burrower.

Humans could learn from chimpanzees and bonobos, who turn to group members for physical comfort during tense moments.

Shigella causes about 450,000 U.S. infections each year. An experimental oral vaccine protected adults in a small human trial ...

A few millennia ago, people worldwide may have spoken or signed up to 10 times as many languages as they do today.