Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make this challenging ...

A pair of stars orbiting one another has been found near the supermassive black hole Sagittarius A* using the European ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

The nova V462 Lupi was first discovered on June 12 by the Ohio State University-led All-Sky Automated Survey for Supernovae ...

Two-thirds of US hospices were not given a star rating when the Centers for Medicare and Medicaid Services (CMS) introduced its hospice star rating system in 2022. Since then, the share of ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

Astronomers have discovered a "teenage vampire" dead star in the process of devouring a companion star during a short-lived, "missing link" phase of its evolution.

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

Spica is a binary star system located 250 light-years from Earth in the constellation Virgo. The waxing gibbous moon will shine close to the bright star Spica in the night sky tonight, ahead of ...

Astronomer breaks down "strongest evidence yet" of life on distant planet 04:06. Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that ...