New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, ...

U.S. National Laboratories (Argonne, Lawrence Livermore, and Oak Ridge) possess three of the world’s fastest exascale ...

Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

The Large UV/Optical/IR Surveyor (LUVOIR) telescope has been imagined as a habitable planet hunter, but it could be so much ...

The great Russian physicist and Nobel laureate Lev Landau once remarked that "cosmologists are often in error, but never in doubt." In studying the history of the universe itself, there is always a ...

Ideally, telescopes have wide fields-of-view (so ... Sometimes, when something massive—say, a galaxy with plenty of dark matter—sits in front of another more distant galaxy, the light from ...

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...

Dark Matter Could Have Helped Make Supermassive ... But the James Webb Space Telescope is finding them not that long after the Big Bang -- before they should have had time to form.

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

Early simulations show that it would take only 10 hours for the forthcoming ELT to find signs of life near Proxima Centauri.

Webb Telescope captures an Einstein ring in the Hydrus constellation Light bends around a massive galaxy, forming a glowing ring Gravitational lensing helps study distant galaxies and dark matter ...

A whole universe of hidden galaxies lies just beyond what the eye can see. Thanks to a new generation of space telescopes, astronomers are now revealing these distant, dim worlds—some no bigger than a ...