Recent scientific observations have sparked a flurry of questions and theories about the Red Planet. Anomalies detected over ...

NASA scientists were baffled after uncovering a rock on Mars that didn’t belong there — with a composition pointing to ...

Scientists suspect iron meteorites might be able to resist erosion on Mars, which may explain why some appear perched on flat ground rather than embedded in craters. In other cases, a crater may have ...

Speculation that the comet was an 'alien spaceship' was far off the mark - but space scientists did have a surprise up their ...

A new era is born.

ESA’s Mars Express has shed new light on the Red Planet’s rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere. On ...

NASA experienced a potentially serious loss of communications with the Mars Spirit rover today, the first sign of trouble since the $410 million spacecraft descended to the planet's surface nearly ...

AMHERST, Mass. — Researchers from the University of Massachusetts Amherst are part of a team that has identified a unique mineral on Mars, described in Nature Communications. Named ferric ...