Unlike Earth, Mars lacks a global magnetic field and interacts with the solar wind directly. Over billions of years, this interaction has stripped much of the Martian atmosphere, transforming the ...

While Earth's atmosphere and magnetic field protect the planet from these solar events, Mars has no such protection. But the sun's solar particles could be a boon for studies of — and travel to ...

The meticulously planned loop around Mars will allow the spacecraft to harness the planet's gravity without expending additional propellant. "It's like a game of billiards around the solar system ...

The students programmed the robotic explorers, called ExoMy rovers, to autonomously search and navigate toward a target within a simulated Mars environment ... target blue ball on the mock ...

In fact, it even managed to double the size of its fleet in a single day, when NASA landed a second vehicle on Mars at the end of January. The two Mars exploration vehicles, Spirit and Opportunity, ...