White dwarfs are the dense, slowly cooling remnants left behind when stars like the Sun exhaust their nuclear fuel. They no longer fuse atoms in their cores, but their gravity remains intense enough ...

A team of astronomers used the James Webb Space Telescope to create the first 3D atmospheric map of an exoplanet. The fiery WASP-18b, a massive “ultra-hot Jupiter,” revealed striking temperature ...

In July 2025, astronomers detected 3I/ATLAS, the third confirmed interstellar object. While viewed as a comet, Dr. Avi Loeb suggests exploring alternative hypotheses due to its unusual characteristics ...

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

NASA has confirmed that Earth has gained a temporary cosmic companion in the form of asteroid 2025 PN7, which will orbit our ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.