Juice mission to Jupiter testing—down to the wire

Preparing the Juice mission to Jupiter has involved testing for all kinds of contingencies, down to the smallest of scales. This microscopic view shows surface damage to a tiny silver interconnector after being exposed to ...

Webb telescope discovers oldest galaxies ever observed

The James Webb Space Telescope has discovered the four most distant galaxies ever observed, one of which formed just 320 million years after the Big Bang when the universe was still in its infancy, new research said on Tuesday.

Hubble finds Saturn's rings heating its atmosphere

The secret has been hiding in plain view for 40 years. But it took the insight of a veteran astronomer to pull it all together within a year, using observations of Saturn from NASA's Hubble Space Telescope and retired Cassini ...

Bright gamma ray burst confounds models of black hole birth

Last October, following one of the brightest flashes of gamma rays ever observed in the sky, telescopes around the world captured a wealth of data from an event that is thought to herald the collapse of a massive star and ...

Hubble sees diminutive dwarf galaxy UGCA 307

UGCA 307 hangs against an irregular backdrop of distant galaxies in this image from the NASA/ESA Hubble Space Telescope. The small galaxy consists of a diffuse band of stars containing red bubbles of gas that mark regions ...

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