Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New ...

In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

The atmosphere, a thin veil of molecules enveloping Earth, reaches about 20 miles (32 kilometers) above the planet's surface.

It is 2004 and I am traversing South Africa to write a major national newspaper report on the country celebrating 10 years of ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky ...

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

Astronomers have discovered 85 possible exoplanets outside the Solar System which could potentially sustain life after ...

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant galaxy. NASA's James Webb Space Telescope, history's largest and most ...