See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / time-lapsed by Space.com's Steve Spaleta Music: Kepler's Hope by Year of th ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about 110 light-years from Earth. Credit: Space.com / animations courtesy: ...

The planet 51 Pegasi b is a long way from Prior Lake, 48 light years (several billion miles) to be exact. It orbits a fifth magnitude star, similar to our Sun, in the constellation Pegasus. It was ...

Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...