If SpaceX launches one million new satellites, it will increase atmospheric pollution and risk of falling debris. And we will see more satellites than stars.

Something is hiding inside Kepler-51d, and it’s doing a remarkably good job of it. About 2,615 light-years away in the ...

A small group of distant worlds may hold the clues to life beyond Earth. Astronomers searching for life beyond Earth have narrowed down the most promising places to look. Out of more than 6,000 known ...

Astronomers are baffled by Kepler-51’s “super-puff” planets—giant worlds as light as cotton candy. Despite expectations, the James Webb Space Telescope failed to detect their atmospheric signatures, ...

HD 137010 b is an Earth-size planet candidate with a 355-day orbit around a nearby star, making it a top follow-up target.

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size and orbit are forcing scientists to rethink how planets form.

Using data from ESA’s Gaia mission and the NASA Exoplanet Archive, astronomers at Cornell University have identified 45 rocky exoplanets in the empirical habitable zone and 24 worlds in the narrower ...

These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Experts from the Carl Sagan Institute at Cornell University have pinpointed 45 Earth-like planets that could have perfect ...