Reintroducing Hawaii's sacred crow, how desert ants find their way, pterosaurs paddle-like tails, and how gophers rebuild ...

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 ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

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

The James Webb Space Telescope has given astronomers groundbreaking insight into a new type of planet described as unlike ...

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

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

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

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

For much of January and February, you have the chance to see six planets in our solar system after dark, although two — Uranus and Neptune — will be hard to see without a telescope or high-powered ...