The brilliant stellar death ‘Encore’ was serendipitously discovered near 'Requiem,' another ancient supernova.
The latest portrait of Uranus showcases its rarely seen rings and moons.
Data gathered by NASA's Cassini spacecraft has confirmed evidence of hydrogen cyanide on Enceladus—a molecule tied…
Webb, Hubble, Keck, and other telescopes gave us unprecedented views of the cosmos this year.
A solar superstorm could cause a rail disaster, scientists warn.
In a rare cosmic event, an asteroid will eclipse Betelgeuse on December 11, causing a brief but significant…
The next generation of world-exploring craft is being designed today.
A big solar flare from November 28 will arrive on Earth overnight, potentially creating opportunities for aurora…
The officials criticized the cuts and urged NASA leadership to reconsider the move.
Astronomers are trying to figure out what could have emitted a cosmic ray with such extraordinary energy.
Using its near-infrared camera, the Webb telescope has revealed never-before seen features in the galactic center.
The transiting world is Earth-like…but roughly 500° Fahrenheit.
The annual sky show peaks in mid-November, and it's a spectacle you won't want to miss.
New research suggests some exoplanets shrink over time due to intense core heat, potentially solving the mystery of…
Located one billion light-years away, the star—thought dead—appears to be going through a revival, with scientists…
Scientists have pinned down the energy produced by an unusually bright gamma-ray burst detected in 2022, and wow is…
Webb Telescope's exploration of distant exoplanets' atmospheres is revealing unprecedented, extraordinary details,…
The galaxy was seen in Pandora’s Cluster, a previous target of the space observatory.
The long-duration radio emissions were seen over a large sunspot on our star’s surface, revealing a previously…
The generous gift will significantly advance the SETI Institute’s quest to detect intelligence beyond Earth.