Use telescopes and binoculars to observe a crescent moon, Jupiter as a 'Christmas star', star clusters and more — now is a great time to go night sky viewing.

NASA/ESA/CSA James Webb Space Telescope's NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) captured amazing ...

The primordial architect might have eloped into hiding and hid the secrets of their remarkable creation, but NASA scientists ...

A piece of space debris is the focus of the closest attention of astronomers worldwide as scientists evaluate a rare, but ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

NASA’s Chandra telescope reveals galaxies and nebulae dressed for the holidays. X-rays show star formation, cosmic collisions and a universe celebrating 2025 in spectacular style.

On Dec. 19, 2025, 3I/ATLAS flew by Earth and did more than just give astronomers something to look at; it brought a piece of ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

"The cosmic dipole anomaly has thus established itself as a major challenge to the standard cosmological model, even if the ...

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...