"At some point it might not be beneficial anymore to stick around with your buddies. But if you don't, you die." ...

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

Jeremy Renner admits he was a “terrible patient” while recovering from his near-fatal snowplow accident. The Avengers star, ...

A space probe called Kosmos 482 sent to explore Venus by the U.S.S.R. in 1972 but marooned in Earth orbit ever since is about ...

The live stream you see above is beamed down from the International Space Station, which orbits some 250 miles above our ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth.

Low Earth orbit (LEO) is on the verge of a major expansion in crewed operations, but the proliferation of space debris could ...