Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. There’ s six-planet parade on Monday, Aug. 25, just before ...