Among the handful of exoplanets flagged as highly “Earth-like,” one stands out for its potential to support life — yet ...

The first picture of a planet outside our solar system may actually depict a swirl of space dust, a new study suggests.

How can timing influence planetary formation and evolution? This is what a recent study published in The Astrophysical ...

An exoplanet has been discovered orbiting Barnard's star by the European Southern Observatory’s Very Large Telescope. Barnard ...

The ice giants remain some of the most interesting places to explore in the solar system. Uranus in particular has drawn a ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

Much like the murky waters of the deep ocean, the unpredictable fluidity of Earth’s atmosphere can distort any light that ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...