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Signs Of Ancient Flowing Water On Mars

These images from ESA's Mars Express satellite show a branching, desiccated system of trenches and valleys, signs of ancient water flow that hint at a warmer, wetter past for the Red Planet.

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NASA's Opportunity Rover Mission on Mars Comes to End

Opportunity's tracks

One of the most successful and enduring feats of interplanetary exploration, NASA's Opportunity rover mission is at an end after almost 15 years exploring the surface of Mars and helping lay the groundwork for NASA's return to the Red Planet.

Study Suggests Possibility of Recent Underground Volcanism on Mars

A study published last year in the journal Science suggested liquid water is present beneath the south polar ice cap of Mars.

A Dune Field Near Nili Patera

In this image many sand dunes are visible. They have an elongated crescent form and are called "barchan dunes." They are formed by the continuous action of the wind blowing in the same direction.

InSight's Seismometer Now Has a Cozy Shelter on Mars

For the past several weeks, NASA's InSight lander has been making adjustments to the seismometer it set on the Martian surface on Dec. 19.

Curiosity Measures a Martian Mountain's Gravity

Apollo 17 astronauts drove a moon buggy across the lunar surface in 1972, measuring gravity with a special instrument. There are no astronauts on Mars, but a group of clever researchers realized they have just the tools for similar experiments with the Martian buggy they're operating.

Curiosity Says Farewell to Mars' Vera Rubin Ridge

NASA's Curiosity rover has taken its last selfie on Vera Rubin Ridge and descended toward a clay region of Mount Sharp.

Opportunity Rover Logs 15 Years On Mars

NASA's Opportunity rover begins its 15th year on the surface of Mars today.

ExoMars Software Passes ESA Mars Yard Driving Test

Navigation software destined for the ExoMars 2020 mission to the Red Planet has passed a rover-based driving test at ESA's 'Mars Yard'.

Snow Inside Korolev Crater On Mars

This image shows what appears to be a large patch of fresh, untrodden snow - a dream for any lover of the holiday season.

InSight Places A Seismometer On Mars

NASA's InSight lander has deployed its first instrument onto the surface of Mars, completing a major mission milestone.

InSight Engineers Have Made a Martian Rock Garden

NASA's InSight lander is due to set its first science instrument on Mars in the coming days. But engineers here on Earth already saw it happen -- last week.

Mars InSight Lander Seen in First Images from Space

On Nov. 26, NASA's InSight mission knew the spacecraft touched down within an 81-mile-long (130-kilometer-long) landing ellipse on Mars.

InSight Takes Its First Selfie

NASA's InSight lander isn't camera-shy. The spacecraft used a camera on its robotic arm to take its first selfie -- a mosaic made up of 11 images.

InSight Hears The Winds Of Mars

NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat Transport InSight lander, which touched down on Mars just 10 days ago, has provided the first ever "sounds" of Martian winds on the Red Planet.

InSight Lander Flexes Its Arm

New images from NASA's Mars InSight lander show its robotic arm is ready to do some lifting.

ExoMars Trace Gas Orbiter Awaits Signals From InSight

The ExoMars Trace Gas Orbiter is all set to receive the first signals from InSight - NASA's latest inhabitant of Mars.

ExoMars Rover Prototype Trials In The Atacama Desert

The sun set on a week of trials for the ExoMars rover prototype named Charlie (in the foreground). The first of two field trials for the mission, known as ExoFiT, took place in the Tabernas desert in Spain between 13-26 October.