Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

Want to know when each planet will be at its best or when you can catch eye-catching planetary pairings in 2026? This guide breaks down the major planetary events of the year, from conjunctions to ...

"We expected to see this effect, but we were still surprised by just how efficient these stars seem to be at engulfing their close planets." When you purchase through links on our site, we may earn an ...

During February, we can't help but notice the later sunsets and earlier sunrises. We gain about 3 minutes of daylight each ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For five consecutive mornings, beginning on Aug. 17, early ...

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. The arrows indicate the direction of heat transport ...