Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Speculation about links among a handful U.S. scientists who have died or disappeared in recent years was largely confined to ...

The strange, shiny discovery, retrieved from the ocean near Alaska in 2023, turned out to be part of an anemone, scientists said.

Anthropic's Mythos AI is being kept behind closed doors as governments assess what faster, AI-driven vulnerability discovery ...