The last commands have been sent to the ESA's Gaia satellite and, after a dozen years scanning the galaxy, the spacecraft is ...

Astronomers from the University of Sheffield and Pennsylvania State University have performed X-ray and optical observations ...

NASA astronaut Sunita Williams: These names, rich in meaning, celebrate space, bravery, and exploration for your little star.

A whole universe of hidden galaxies lies just beyond what the eye can see. Thanks to a new generation of space telescopes, ...