Facts about the red giant star and where to find it are explained by Space.com's Chelsea Gohd. [Betelgeuse: The Eventual ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

Scientists Astonished By Discovery of Giant Planet That Doesn't Make Any Sense: 'We Don't Understand' After decades of ...

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...