New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

A close encounter with a mysterious interstellar object could explain the current orbits of several of Earth’s largest ...