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

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

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

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

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses. They definitely exist in East Lansing, Michigan.

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

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.

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

Chinese astronomers have employed NASA's Transiting Exoplanet Survey Satellite (TESS) to observe an eclipsing binary of the ...

New measurements of the universe’s expansion using James Webb Space Telescope appear to resolve the Hubble constant conflict ...

Credit: NASA Using images from a NASA telescope, three amateur scientists discovered a star-like object sprinting through space — so fast, in fact, it'll whiz right out of the Milky Way.