Female mammals typically carry two X chromosomes — one from each parent — and a new study suggests that the maternal X is ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

Scientists have found an elusive third form of magnetism that could help solve a longstanding puzzle about superconductors.

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...

"As yet, nobody has managed to understand what gives rise to this strange phenomenon, and explaining dark energy remains one ...

A man was diagnosed with skeletal fluorosis, which likely emerged due to him inhaling substances that damaged his bones.

A historic winter snowstorm has reached the Gulf Coast, smothering the region in Arctic air and dropping record-breaking amounts of snow on northern Florida.