Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

A newly detected super-Earth just 20 light-years away is giving scientists one of the most promising chances yet to search ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

In a surprising twist to our understanding of exoplanetary systems, astronomers have uncovered three Earth-sized planets ...

The planet’s long-standing natural “thermostat” is being outpaced by an feedback loop process involving algae, phosphorus, ...

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

(CNN) — Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James ...

Astronomers have, for the first time, detected a massive explosion from a star outside our solar system, specifically a ...