But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...
Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...
After more than a decade of service, the European Space Agency’s Gaia spacecraft has been powered down for good—closing one ...
NASA discovered a supermassive black hole at the center of galaxy M87, 52 million light years from Earth. It's 2.6 billion ...
The James Webb Space Telescope (JWST) has captured one of the most stunning and rare cosmic sights in astronomy: a nearly ...
The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...
A striking new image from the James Webb Space Telescope shows a rare object called an Einstein ring. This shows what appears to be a ring-shaped object in the sky, but is actually created by two ...
Europe's space agency, ESA, has retired the Gaia satellite after more than nine years of service. Launched in 2013, Gaia ...
Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of ...
International team of astronomers discovers spiral galaxy defying cosmic norms, raising alarming questions for Milky Way’s ...
Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...
Herbig-Haro 49/50, aka the 'Cosmic Tornado', as seen by Spitzer in January 2006. The source of the 'tornado', a Class 1 ...