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

A rare celestial event is set to captivate skywatchers in January 2025, when six planets—Venus, Mars, Jupiter, Saturn, Uranus ...

Asteroids are rocky objects that orbit the Sun, just like planets do. There are millions of asteroids of very different shapes and sizes. Some are almost spheres, like planets, but most are ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at ... but also appearing to change size. This showed him the ...

Scientists have found two new habitable planets, nearly 8 times the size of Earth, that don’t orbit a ‘Goldilocks’ star. These are the closest candidates to Earth to support human life on ...

concentrated on understanding the intricate dynamics leading to the reduction in size of specific sub-Neptune planets. Christiansen's team suggested a compelling link between the cores of select ...

Nearly two dozen planets have been detected using the microlensing technique, starting with the 2003 discovery of a gas giant twice the size of Jupiter orbiting a star 18,000 light-years away.

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you can see and when to look.

Opinions expressed by Forbes Contributors are their own. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. This artist’s concept shows what the exoplanet WASP-107 b could ...