Young planets are often too small to be detected directly, and many protoplanetary disks are too distant to be observed in detail. Instead, astronomers look for indirect evidence, such as rings, gaps, ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system — only the third ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

A mysterious cosmic traveler has found its way to the Solar System from the uncharted reaches of interstellar space. The rare ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

By studying faint vibrations within stars, scientists using the Keck Planet Finder have discovered internal features that ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

A free-to-attend stargazing event will be held by the Astronomers of Humboldt this Saturday in Southern Humboldt.

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...