Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

California firm Reflect Orbital plans 4,000 reflectors to beam light over cities and power sites, alarming astronomers and dark-sky advocates.

Four astronauts are set to depart the International Space Station Wednesday amid a health concern. The unprecedented early departure will leave behind a skeleton crew.

(CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting Barnard’s Star, the nearest single star system to Earth. The four planets are ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to follow the rules. Around Neptune in particular, a handful of newly charted ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search ...