The telescope may operate for 20 years, and it's off to a good start. Let's take a look at the best of Webb so far. Here, in no particular order, are 35 of the best Webb images we've seen to date. 1.

Last week, a team of scientists claimed to have discovered possible signs of life on a nearby planet. in fact, their evidence ...

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 ...

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

K2-18b is a little over 120 light-years from Earth — on a galactic scale, this world is practically in our backyard.

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

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

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of ...

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 ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life.

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