Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.

Drones with lasers revealed hidden urban centers that may have aided trade and travel through mountainous regions during medieval times.

To fuel the insatiable energy appetite of artificial intelligence, tech companies are going big on small nuclear reactors. Last week, both Google and Amazon announced agreements with companies that ...

Astronomers have found a world shrouded in an atmosphere of water vapor, orbiting a star 100 light-years away.