Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

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

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

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

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

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 ...

The ‘Parade of Planets’ will be around until March, according to Anderson. The best time to view the phenomenon will be on ...

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

AN ALIEN planet with traces of water and “complex weather patterns like Earth” might be seen like a good contender for a ...

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

WASP-127b's diameter is about 30% larger than Jupiter, our solar system's largest planet. But its mass is only about 16% that ...