The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

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

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary ...

Students were taught about different seasons, phases of the moon, and other out of this world lessons by Dunlap, who travels ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...