September’s superb nocturnal sights are redoubled this year with an extravagant bestowal of stunning beauties wedded to a ...

Comet 3I/ATLAS is captured in this image by the Gemini North telescope. The incredible sensitivity of Gemini North's ...

Mysterious spherical droplets in meteorites aren’t just cosmic oddities. They’re evidence of planetary formation.

Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way ...

Researchers at the University of Colorado Boulder are helping to lead planning efforts for NASA’s next major space telescope ...

Tucked away in the northern reaches of Potter County sits Cherry Springs State Park, a modest 82-acre slice of Pennsylvania wilderness that delivers an astronomical experience unlike anything else ...

The solar corona, an ethereal halo of plasma that’s a million degrees hotter than the Sun’s surface, is home to magnetic flux ...

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

Massive stars like these are also key players in the cosmic drama of gravitational waves, the ripples in space-time first ...

A rare black moon will happen tonight Aug. 22-23. Don't worry too much if you miss it, although it won't happen again for ...