Nestled atop Mars Hill in Flagstaff, Lowell Observatory has been a cornerstone of astronomical discovery since 1894 — and ...

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

Mars is thought to currently have all the necessary ingredients for life except for perhaps the most important one: liquid ...

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

Written by Scott VanBommel, Planetary Scientist at Washington University in St. Louis Earth planning date: Monday, June 30, ...

What can the climate history of Mars teach scientists about whether the Red Planet once had the ingredients for life as we ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...