Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

While the James Webb Space Telescope looks for the most distant galaxies ever seen, astronomers have discovered something new ...

By Will Dunham WASHINGTON (Reuters) -Astronomers have spotted a star acting unlike any other ever observed as it unleashes a ...

A celestial object some 15,000 light-years away is emitting bright flashes of radio and X-rays that scientists are struggling ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

An international team of astronomers has discovered 25 new quasars by analyzing multiwavelength data from various surveys.

Astronomers have detected a mysterious object in deep space that releases intense bursts of radio waves and X-rays, according ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

A new 8K camera system at the Vacuum Tower Telescope in Tenerife captures images of the Sun's surface in stunning detail.

In a Universe that was only 700 million years old, long before Earth even formed, something unexpected happened. A massive ...