The interstellar comet 3I/ATLAS is now reaching its closest point to the sun, or perihelion, on Wednesday, according to NASA.

In a breakthrough for exoplanet science, astronomers have discovered three Earth-sized planets orbiting both stars in a ...

See a pair of superheavy neutron stars collide in this simulation with gravitational wave audio. "An audible tone and a ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic fields.

Thousands of newborn stars sparkle and dazzle in the latest snapshot by NASA’s Webb Space Telescope. Released this week, the picture provides a breathtaking view of a nearby star-birthing center, ...

Spectacular new images from NASA's James Webb Space Telescope gave astronomers a detailed, never-before-seen look at a dying star. The star is actually one of two at the heart of NGC 1514, a nebula in ...

NASA released exciting information on Thursday regarding the discovery of "monster stars" and "spiral galaxies." Using the Hubble Space Telescope, astronomers were able to identify nine "monster stars ...

Impressively, capturing an image of Betelbuddy was only the start of the discoveries. The researchers had anticipated the ...