The PRIMA space telescope would observe the cosmos in far-infrared light, while AXIS would be an orbiting X-ray detector.

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

The New Scientist's two-day discovery event featured stargazing, 'fascinating' talks and a tour of the UK's largest radio ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

This Hubble image showcases spiral galaxy IC 4709 located 240 million light-years away from Earth. It also contains a black ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

The Sombrero Galaxy, named for its resemblance to a wide-brimmed Mexican hat, has now been captured in a completely new light ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

UC Berkeley researchers have discovered that dark ovals at Jupiter’s poles, whose presence was previously unexplained, are ...

Most of humanity’s knowledge about Uranus came from a 1986 Voyager 2 flyby on “a particularly windy day.” A new study says ...

A new composite image of the Crab Nebula features X-rays from Chandra (blue and white), optical data from Hubble (purple), ...