TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

NASA to stream Sept. 23 IMAP mission launch aboard SpaceX IMAP to study solar wind and heliosphere science at Lagrange Point ...

A new report from the Commercial Space Federation warns that China could soon overtake the U.S. in the "new space race." The ...