Fram2's orbit flew Dragon on a north-to-south trajectory in low Earth orbit at an altitude of about 271 miles (437 kilometers ...

A Soviet-era spacecraft meant to land on Venus a half century ago is expected to plunge uncontrolled back to Earth within days.

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Using the National Radio Astronomy Observatory's Very Large Array, astronomers have revealed for the first time the huge flow ...

NASA’s Curiosity rover has spotted carbon-containing minerals that can tell scientists more about what ancient Mars’ ...

The number of known exoplanets seems to grow every day. Most of them are worlds completely unlike our own. But some get pretty close to something resembling home - and may someday become exactly that.