Satellite News

Astronomers have made a shock discovery that Saturn’s moon Mimas seems to have a liquid ocean beneath its surface, potentially redefining our search for life on alien moons.

The European Space Agency’s defunct ERS-2 spacecraft will fall into Earth’s atmosphere in a week or so, in a death dive that its handlers will monitor carefully.

NASA’s moon-to-Mars strategy identifies science as one of three pillars upon which the agency’s quest for a sustained human presence throughout the solar system is built.

Although they never flew in space together, astronauts David Hilmers and Marsha Ivins crossed paths on the same spacecraft on the same mission. They will now reunite with the orbiter to be honored.

The best smart telescopes have top-notch tech, user-friendly interfaces and provide stunning views of the night sky — here are our favorite models.

Do the Milky Way’s most common planets, mini-Neptunes, have atmospheres filled with opaque clouds or a more transparent haze?

SpaceX plans to launch 22 more of its Starlink internet satellites at 12:01 a.m. EST (0501 GMT) on Wednesday (Feb. 7).

Budgetary issues have forced the Jet Propulsion Laboratory, NASA’s chief center for robotic planetary exploration, to reduce its workforce by about 8%.