We thought Mars had liquid water on its surface, now we don’t. Getting it wrong is an essential part of doing science right.
The Rains Of Mars
Rain on early Mars was strong enough to create gully washers.
Why It Takes A Big Rocket To Reach Mars
SpaceX’s Mars rocket will be huge. It will have to be to reach Mars.
Phobos Is Running Out Of Time
Phobos is so close to Mars that it orbits the planet three times a day. It’s also so close that the small moon is doomed.
Protecting Planets Against An Alien Invasion
NASA has an Office of Planetary Protection. Its purpose is not to protect Earth from invasion by some green skinned monsters, but rather to protect the rest of the Universe from us.
The Science Behind ‘The Martian’ Hermes Spacecraft
In The Martian, journeys to Mars are made possible through a large spacecraft known as the Hermes. While the Hermes is a work of fiction, it’s based in well established science.
The Edge of Wetness
The history of our search for water on Mars is a bit convoluted, and like many discoveries in science it has happened in small steps rather than a revolutionary discovery.
Road Trip
A week-long road trip is bad enough, but imagine taking a trip for 18 months.
Crust of Mars
Mars had a continental crust similar to early Earth’s. That’s the finding of a new paper published in Nature Geoscience.
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