The NASA/ESA/CSA James Webb Space Telescope has been exploring the cosmos for 3 years. See some of the amazing highlights.

The findings suggest some tiny icy bodies have remained largely unchanged while their lower-than-expected numbers raise fresh questions about planet formation.

See composites created using James Webb Space Telescope and Chandra X-ray Observatory imagery. A pair of galaxies, a nebula, ...

The map covers 75% of the sky, and you can explore all sorts of cool celestial objects once you know where to look.

A potentially history-altering finding by a University of Limerick researcher may provide the most detailed technical ...

Using NASA's Chandra X-ray Observatory, scientists have discovered a new class of objects behaving unlike any they have seen before. Astronomers suggest these newly spotted objects in other galaxies ...

On August 26, the Swift team reactivated the spacecraft’s Ultraviolet/Optical and X-ray telescopes. Both had been turned off ...

As telescopes automate the search for fleeting cosmic signals, algorithms must be judged by the evidence they preserve as ...

A 1666 Mexico manuscript on Galileo Galilei describes a four-lens telescope that could push its invention back more than a ...

This high-energy data has been combined with data from telescopes such as NASA’s James Webb and Hubble Space Telescopes, IXPE ...

When Carl Sagan sent the Voyager telescopes into space, he put humanity in its place. The world-famous astronomer didn't spend all his time at NASA. He was on talk shows and hosting hit TV programs of ...

Perhaps we are now encountering the Great Filter, the notion that intelligent civilizations may emerge on many planets in a ...