NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

Astronomers have discovered a beautiful, well-formed spiral galaxy from a time when the universe was still very young—only ...

Google's Project Suncatcher is a proposal to launch an 81-satellite constellation into low Earth orbit. But it must contend ...

The seventh day of the 18th annual Space Telescope Advent Calendar features a distant galaxy seen through a patch of space ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

New James Webb Space Telescope observations have revealed a galaxy that shouldn’t exist, a complex spiral galaxy named ...