NASA is working to reestablish communication with MAVEN, the space agency's decade-old Mars orbiter, after it suddenly lost contact with Earth this week. In an update Tuesday, NASA said ground ...

NASA is racing to understand why one of its most seasoned Mars orbiters suddenly fell silent, cutting off a critical scientific and communications lifeline around the Red Planet. The Mars Atmosphere ...

CNN — While robotic rovers may explore the surface of Mars on behalf of humans who can't safely land there yet, they aren't alone. A fleet of orbiters circling the planet act as dual-purpose ...

Wind speeds on Mars are high enough to blow fleets of large spherical rovers that resemble tumbleweed across the Red Planet's surface, according to new wind-tunnel tests of small prototypes conducted ...