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 ...

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

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

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

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

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

Astronomers have detected winds howling at about 20,500 miles (33,000 km) per hour on this large gaseous planet, located in ...

Venus and Saturn are currently in conjunction, meaning the planets appear close together in the night sky from Earth. These ...

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

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

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

Astronomers using the James Webb Space Telescope (JWST) have uncovered a planet so extraordinary it has defied all existing ...