The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

A brilliant point of light is rising in the eastern sky soon after dark this month, drawing comparisons to the "Star of ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

Claude, the albino alligator at California Academy of Sciences, has died at the age of 30, leaving a legacy of education, conservation and public fascination.

Astronomers observed a white dwarf and subdwarf 4,000 light-years away, spiralling toward collision, testing Einstein's ...

While the crater-pitted moon may appear geologically dead, researchers have discovered more could be going on under its icy ...

The University of Wyoming Harry C. Vaughan Planetarium will host a Christmas-themed program, “Star of the Magi,” twice during December.