The key evidence for Planet X's existence comes from observations of unusual orbits of objects in the Kuiper Belt—a region located at the outer edges of the Solar System. As g.pl explains ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

Experts have unveiled details of SIMP 0136, a floating planetary mass thought to be around 20 light-years away from the Earth ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...