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

Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would start colliding if they lost the ability to avoid each other, such as during a ...

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

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

(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 ...

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.

Astronomers believe they’ve discovered a "Tatooine"-like planet orbiting two stars in a galaxy far, far away. The planet is orbiting two brown dwarfs, which are also known as failed stars. It’s about ...

Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf star would offer a ...

A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, creates an atmosphere that would be stable over time. This is true for more ...