4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations —James Webb telescope ... If life does exist on such a world, it ...

In a groundbreaking discovery, scientists using the James Webb Space Telescope have detected potential biosignatures—DMS and DMDS—in the atmosphere of ocean-covered exoplanet K2-18b, 120 light-years ...

Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS 0723 from the James Webb Space Telescope. Credit: NASA, ESA, CSA, and STScI | ...

The powerful James Webb Space Telescope (JWST ... it still poses no imminent threat to Earth, the JWST data confirm. But there does remain a roughly 3.8% chance that the asteroid will slam ...

Astronomers have spotted the farthest spiral galaxy ever seen. Its light has travelled 12.8 billion years to reach Earth.

In a potential landmark discovery, scientists using the James Webb Space Telescope ... life in places like Mars, Venus and various icy moons. K2-18 b is 8.6 times as massive as Earth and has ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could provide the best chance for the James Webb Space Telescope (JWST ...

After taking another peek at the "city-killer" asteroid that once had a small but uncomfortable chance of smashing into our ...

K2-18b, a potentially habitable exoplanet 124 lightyears away, may contain biomarker DMS, but its habitability remains uncertain.

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...