The observations expand the range of environments where habitable worlds might emerge. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Using the ...

The discovery of exoplanets, planets outside of our solar system, has altered our perception of the universe and our role in it. Because they are small, dark, and under the strong light of their much ...

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.

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from. When you purchase through links on our site, we may ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...