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

Scientists find that deep molten rock can power long-lasting magnetic fields, helping large rocky planets hold onto their ...

It's remarkably similar to Earth.

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

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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

"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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This planet parade — following on from one in the evening ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...