Sure, NASA's Mars rover Curiosity has seen sand before, but this dune is by far the biggest and the six-wheeled rover is making the most of it.
It may be fighting age-related issues, but Opportunity certainly isn't done with Mars yet.
On Jan. 25, NASA's Mars rover Opportunity is celebrating an amazing 12 years on the Red Planet. Here are just a handful of its biggest discoveries to date.
Microbes appear to be dormant in permafrost in a region of Antarctica, which could deal a blow for the search for life in similar regions on Mars.
On Thursday (Jan. 14), the European Space Agency's Mars Express orbiter is set to pay Phobos a visit in what will be the mission's closest flyby of the Martian moon this year.
There are few more potent reminders that Mars used to be a wet world than seeing ancient, dried up river beds etched into the red planet's surface.
As NASA's Curiosity rover investigates Mars dunes up close, we're beginning to scratch the surface of a larger, sandy mystery.
Welcome to 2016, space fans! With a new rover scheduled to land on Mars, a probe launching toward an asteroid, new info on Jupiter, and the Rosetta probe smashing into a comet on purpose, there's much to look forward to.
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