Astronomers found a Neptune-sized planet orbiting backwards around its star, but the usual explanation for its bizarre path is nowhere to be found.

Scientists say the sun may have swallowed a super-Earth billions of years ago, leaving chemical fingerprints that could still ...

When viewed from space, Earth appears to be totally spherical, as smooth and perfect as a little blue marble. In reality, however, it’s more akin to a gnarly potato, squished flat at the poles and ...

A new study raises the possibility that the Sun once swallowed a super-Earth planet and may still hold clues about what ...

Using the same planet-hunting techniques as Earth astronomers, would inhabitants of a planet hundreds of light-years away be able to detect Earth? Or would the gas giants overpower their observations?

Actor Benedict Cumberbatch and producer Jonnie Hughes open up about their latest eye-opening nature documentary.

Narrated by Sir David Attenborough, the popular nature docuseries is now airing on BBC America. By Rudie Obias If you purchase an independently reviewed product or service through a link on our ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Computer simulations suggest that there is an undiscovered ...

Planet Earth, our home... ? we've got so many questions about it! How was the Earth formed? How did animals get on Earth? Why ...