Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...

Before Avatar, before Pacific Rim, Wayne Barlowe built an alien world so detailed and scientifically grounded that the Discovery Channel turned it into a special — and most people under 40 have never ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

As NASA prepares for long-term moon bases, scientists are working on how to grow food in lunar soil and deal with razor-sharp ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...

"NASA is uncertain as to when … human-rating certification for the Starliner will be obtained." When you purchase through ...

NASA on Tuesday plans to launch a mission to save its Neil Gehrels Swift Observatory. A spacecraft is expected to push the ...

It’s going to be a hot and steamy week in Toronto and much of Ontario as the first heat wave of the summer sets in, starting ...

Prime Minister Mark Carney says he doesn’t expect any resolution Wednesday to the ongoing talks about whether to renew or ...

NASA's Lucy spacecraft revealed that a bizarre wobbling, peanut-shaped asteroid holds surprising clues about ancient water ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...