Explore...

September 19, 2017

This is the summary

September 18, 2017

This is the summary

September 18, 2017

This is the summary

July 2, 2017

The autumn skies over Endeavour Crater remained hazy as dust from the summer storms continued to rain down, but Opportunity encountered some unexpected and serious June gloom when her right front steering wheel jammed during the walkabout atop Perseverance Valley.

January 26, 2017

NASA's current human spaceflight goal is Mars, but the Trump administration could change that to the Moon. Is that a good idea? Here's an in-depth look at the differences in science gain, the arguments for and against a potential commercial market, and whether or not the technological and operational challenges required to reach the Moon apply to Mars.

January 25, 2017

Amateur space image processor Kevin Gill shares some of his stunning 3D images of Mars, created from real spacecraft data.

January 4, 2017

As 2016 came to an end and 2017 rang in, Opportunity was working the first leg of the ascent up the rugged western rim of Endeavour Crater on her way to an ancient gully, the next scientific tour de force down the road, and the mission was closing in on its 13^th anniversary of surface operations coming up in the New Year.

December 20, 2016

2016 marks the 25th anniversary of the creation of what has become one of the primary venues for the publication of research in planetary science: the Journal of Geophysical Research: Planets. This occasion is a good opportunity to look back at what we have learned in this era of expanded exploration and to try to take a peek at the future.

December 15, 2016

ExoMars Trace Gas Orbiter's science team enjoyed the opportunity in November to test out their science instruments on Mars. One of the tests involved imaging Phobos from an unusual angle.

November 22, 2016

Martian radar expert Cassie Stuurman explains how the SHARAD instrument aboard NASA's Mars Reconnaissance Orbiter was used to detect buried ice deposits.