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.

The solar system is currently embedded deep within the Local Bubble, a region of relatively low density stretching for a ...

A new study shows TOI-270 d is a fiery rocky exoplanet, offering fresh insight into the galaxy’s most common planet type.

The initial report was based on observations from the powerful James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts. But the results created a lot of hubbub ...

Astronomers since then indeed have discovered worlds, called circumbinary planets, orbiting two stars. But for sheer ...

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

Astronomers have found possible chemical signs of life on a distant planet outside our solar system, though they caution more ...

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

In May 2020, astronomers for the first time observed a planet getting swallowed by its host star. Based on the data at the ...

In a new paper published in the journal Earth, a group of scientists may have come to the conclusion that there is a new planet totally different from what we know in the Solar System. This planet ...

Most have been found via microlensing: their gravity acts as a lens that boosts the light of a background star in a ...