That's a big deal, as "PLATO is on track for the final key tests to confirm that it is fit for launch," ESA officials wrote ...

Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ongoing.

Experts have determined it to be a "super-puff," an exoplanet with a large but extended atmosphere. The most noteworthy ...

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere. In exciting new JWST observations, the Earth-sized exoplanet TRAPPIST-1e ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

"We've found 6,000 planets, but none of them are like Earth," said Aurora Kesseli, an astronomer at Caltech who works on NASA's Exoplanet Archive keeping a tally of the worlds already discovered, in ...

(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 ...