Beta Pictoris b is a young exoplanet about 12 times as massive as Jupiter, with an orbit nearly twice as long. Now, a timelapse video of the planet’s nearly 23-year orbit lets you see most of that ...

In early 2016, two planetary scientists declared that a ghost planet is hiding in the depths of the solar system, well beyond the orbit of Pluto. Their claim, which they made based on the curious ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be ...

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.