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

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

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

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

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... artifacts of human exploration on Mars deserve cataloging, preservation and care in ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Dichotomy of Hemispheres, The Red Planet has disparity between its northern and southern hemispheres. NASA’s Mars ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...