The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

A fascinating blend of mechanics and magnetism brings a solar system model to life. Each planetary movement is guided by magnetic forces, creating a seamless and mesmerizing display. Precision ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Planetary scale model trails are letting cycling enthusiasts pedal their way through the cosmos. These trails are designed ...

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

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

New research has revealed that Hot Jupiters do not always push away or destroy nearby planets during their migration. This ...

Astronomers have found some pretty wild exoplanets. Some are balls of lava the temperature of hell, one is partially made of ...

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

Recent studies have revealed that, until now, Hot Jupiters seem to be the only planet in orbit around their host star. This ...