Scientists observed and captured the first clear evidence of auroras on Neptune using the James Webb Space Telescope (JWST), ...

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.

The exoplanet K2-18b is generating headlines because researchers announced what could be evidence of life on the planet. The ...

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 photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined ...

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 ...

That exoplanet is 124 light-years away in the Leo constellation. It's described as much larger than Earth but smaller than ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 light-years away. But experts are skeptical.

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...