The Kremlin says Putin is open to speaking to Trump, after he threated US tariffs on Russian oil over stalled Ukraine ...

Humans like to think that being multicellular (and bigger) is a definite advantage, even though 80% of life on Earth consists ...

Could time travel be more than just a Hollywood dream? Discover how scientists say it's already happening, and why it's not ...

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

To make matters worse, NASA scientists also discovered that, this year, summer ice in the Antarctic retreated to 764,000 square miles (1.98 million square kilometers) as of March 1, tying for "the ...