When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

I've been wondering this for quite a long time. Why do the planets of our solar system all orbit the sun in (more or less) a single plane? Is it a random coincidence, or are there physical forces that ...

In a real-life twist on Star Wars' Tatooine—a harsh desert planet with twin suns and a criminal underbelly—astronomers have found a bizarre new world that orbits two stars at a perfect right angle.

NEW YORK — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual ...

Located about 120 light years away, the exoplanet appears to take an unusual path around two brown dwarfs, whipping around at a right angle. Brown dwarfs are sometimes called failed stars because they ...