A huge green fireball streaked across the sky over Britain last night. Doorbell cameras across the UK captured the object at ...

Massive, invisible stars that formed in the earliest days of the Universe may hold clues to the true nature of dark matter.

"We estimated an outflow from the comet's nucleus of about two tons per second, equivalent to approximately 70 Olympic ...

New research led by Gonzalo Muñoz-Sanchez at the National Observatory of Athens, published in Nature Astronomy, finds that ...

A rare stargazing spectacle will unfold on Friday, April 13, 2029, as the asteroid Apophis passes closer than satellites over ...

This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission ...