The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

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

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

By analyzing data from the James Webb Space Telescope, the researchers found evidence of dimethyl sulfide and dimethyl ...

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

In the quest to find approximately Earth-sized planets located in the "Goldilocks zone" i.e. neither too hot nor too cold) ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...