But the distance between Earth and Mars is constantly changing as they orbit the sun. In theory, the closest that Earth and Mars would approach each other would be when Mars is at its closest ...

Proponents of going to Mars see peril and opportunity in Elon Musk’s close relationship with Trump. Experts say just getting ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

Engaging articles, amazing illustrations & exclusive interviews Issues delivered straight to your door or device ...

"In about 1604, Johannes Kepler fitted an ellipse model of Mars' orbit to observations of Mars ... then the difference in this path can be traced out and allows you to measure the eccentricity ...

Asteroids are space rocks orbiting the sun that are considerably smaller than planets. Scientists believe they’re the ...

SpaceX has long set its sights on Mars, and has made the bold promise that they will land humans on Mars in 2029, which will eventually pave the path for chief executive officer Elon Musk’s plans for ...

The asteroid warning network is affiliated with the United Nations. Officials activate the IAWN when an asteroid bigger than ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.