These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered ...

A new study on Uranus has found it is hotter than we thought, prompting scientists to suggest we should return to the ice giant.

If Jupiter swallowed every planet in the solar system, it would become an enormous cosmic giant far larger than anything else ...