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

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

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

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

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

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

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

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA's ...

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.

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by ...

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