What did Gaia achieve? And perhaps most importantly, why was it my favourite space telescope? Gaia was retired for a simple reason: after more than 11 years in space, it ran out of the cold gas ...

In 2006, NASA's Spitzer Space Telescope captured a blurrier version of the same scene. The HH 49/50 outflow earned its nickname "Cosmic Tornado" thanks to its twisting, storm-like appearance.

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other. An elliptical galaxy and a spiral galaxy appear as one celestial body as a ...

A conception of the James Webb Space Telescope orbiting 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez Space is phantasmagorical. Astronomers using the powerful ...

Astronomers, using the James Webb Space Telescope, captured the first direct images of Neptune's auroras, revealing light shows previously believed to exist but unseen. These auroras appear at ...

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of the Milky Way, but its observations will fuel discoveries for decades ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope.

"We will never forget Gaia, and Gaia will never forget us." Europe's star-mapping Gaia space observatory has entered its final orbit, after gathering valuable cosmic data for more than a decade.

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of the Milky Way, but its observations will fuel discoveries for decades ...

The James Webb Space Telescope, a collaboration of NASA and its Canadian and European space agency counterparts, has finally captured clear images of these magnificent Neptunian light shows.