Exoplanets are worlds orbiting distant stars. Learn the history of our knowledge of exoplanets, the various types, how astronomers find them, and more.
The Lucy spacecraft has a new target! It will visit a main-belt asteroid at the end of 2023, two years ahead of schedule. Read more about its new target.
NASA's Webb telescope took its 1st look at tiny asteroid Chariklo's rings, showing they contain water ice. Webb used a stellar occultation to observe the rings.
NASA's ShadowCam instrument on the Danuri lunar orbiter has sent back its 1st image. It shows details inside a permanently shadowed crater on the moon.
Could there be microbial life on Io? Jupiter's hostile volcanic moon seems an unlikely home, but astrobiologist Dirk Schulze-Makuch says it's not impossible.