Right after sunset, the largest and smallest planets are near neighbors in the sky. Jupiter, the brighter of the two, is a ...

The newly discovered planet orbits a Sun-like star and might support liquid water, but don’t pack your bags just yet.

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

Is there life out there? Another method should make it possible to find habitable planets. A super-Earth in the habitable ...

Scientists using the James Webb Space Telescope (JWST) have made new discoveries about the origin and atmosphere of a distant ...

Tech industry experts are sounding alarms about efforts to compile data on American citizens, as tech company Palantir’s involvement in government work expands.

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

The discovery defies current understanding of how planets form. The star is only about a fifth the mass of the sun. Stars this size should host small planets akin to Earth and Mars under the leading ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.