Following its longest hibernation period ever of nearly a year, NASA's New Horizons spacecraft has emerged in good health and ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Solar dust could be influencing how the corona shines.

But inside was one of the most notorious invasive species in the ecosystem: a Burmese python. “This is where the nest is,” ...

A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.

NASA made a good bet when it built the Swift Space Telescope. Launched in 2004, Swift has spent more than a generation ...