A U.S.-Russian crew of three began a mission to the International Space Station aboard a Russian spacecraft following a ...

A new tool shows it is possible to turn down the partisan rancor in an X feed—without removing political posts and without ...

If you dissolve sugar in hot water and then cool it down, you'll see pure sugar crystals form while impurities stay in the ...

The Pecos River murals are a stunning collection of monumental, multicolored rock paintings in limestone rock shelters across ...

Authorities across Indonesia, Thailand and Malaysia worked on Thursday to reach residents trapped in floods that have killed ...

DNA pulled from the dung of African forest elephants has given experts a more accurate—and higher—population estimate for the ...

The European Space Agency said Thursday it would increase its budget for the next three years to almost 22.1 billion euros ...

Successive major droughts, each lasting longer than 85 years, were likely a key factor in the eventual fall of the Indus ...

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia.

Newly discovered fossils prove that a mysterious foot found in Ethiopia belongs to a little-known, recently named ancient ...

Instagram users may overestimate the extent to which they are addicted to the platform, according to research conducted on ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.