The only wild specimens of a rare blue parrot which had only recently been returned to its natural habitat in Brazil have ...

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 ...

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 ...

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 ...

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

New research has revealed that marine mammals who live far below the ocean's surface are not immune from the burden of toxic ...

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

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

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