Spotted: An object moving 1 million mph and zooming out of the Milky Way! Citizen scientists found the speeding stellar ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

An odd star brightened for more than 70 days in 5 B.C.E., according to a Chinese text. The object may have been a comet that ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

The December skies will showcase a stunning array of celestial sights. Here's a guide to what you should keep an eye out for: ...

Centaurs, these objects orbiting between Jupiter and Neptune, exhibit traits of both asteroids and comets. (2060) Chiron, in particular, has been studied by a team from the University of Central ...

NASA has discovered CWISE J1249, a mysterious red celestial object moving at over one million miles per hour through the Milky Way. This object, with its extremely low mass and unique infrared ...

In the vast, inky blackness beyond our solar system, objects are hurtling through space, each carrying secrets from another ...

A new study revisits ancient Chinese records to explore whether a comet could explain the Star of Bethlehem described in ...

Visitors look view celestial objects during a night sky viewing party at Mammoth Cave National Park. NPS Photo. MAMMOTH CAVE, ...

However, astronomers in Hawaii just spotted a pair of exciting discoveries — a huge exoplanet and a brown dwarf — using Japan ...

As space exploration turns to the commercial sector, costs are coming down, but that doesn't mean that launching satellites ...