Facts about the red giant star and where to find it are explained by Space.com's Chelsea Gohd. [Betelgeuse: The Eventual Supernova] Credit: Space.com / produced & edited by Steve / Chelsea Gohd / Judi ...

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

By tracing the corkscrew wobble of two stars as they move through the sky, the Gaia space mission has discovered one new giant "planet," plus a new brown dwarf.

Venus appears low in the evening sky, guiding us to Saturn. Jupiter makes an attractive sight below the Hyades and Mars remains a fine sight.

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Inkathazos glowing plasma jets are shown in red and yellow. The starlight from other surrounding galaxies can be seen in the ...

"Little red dot" galaxies discovered by the James Webb Space Telescope in the early cosmos appear to be ruled by supermassive black holes that are 1,000 times too massive.

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

These mysterious objects can have masses several million or billion times that of the Sun and are so dense that ... eventually growing so large that they become giant radio galaxies.

CME blast and subsequent impact at Earth — This illustration shows a CME blasting off the Sun’s surface in the direction of Ea CME blast and subsequent impact at Earth — This illustration ...