A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock in ...

Earlier this year, the Curiosity Rover accidentally rolled over a rock on Mars. As it cracked open, it revealed yellow crystals of pure sulfur. NASA says it's the strangest find of the entire ...

Scientists were stunned on May 30 when a rock that NASA's Curiosity Mars rover drove over cracked open to reveal something never seen before on the Red Planet: a treasure chest, or geologically ...

The Curiosity rover made an accidental discovery on Mars – and uncovered a mineral never before found in its pure form on the Red Planet. As the rover rolled over the planet's rocky surface on May 30, ...

NASA scientists say pure sulfur has been found on Mars for the first time after the Curiosity rover inadvertently uncovered a cluster of yellow crystals when it drove over a rock. And it looks like ...

Forbes contributors publish independent expert analyses and insights. Amanda Kooser covers the quirky side of science and space. A close-up photo taken by the Curiosity rover shows pure yellow sulfur ...

Sometimes, the greatest scientific discoveries happen by complete accident, and an inadvertent move by NASA's Curiosity Mars rover last year may have uncovered one of the red planet's most important ...

The X-ray Imaging and Spectroscopy Mission (XRISM) spacecraft has delivered an "unprecedented tally of elemental sulfur spread between the stars," according to NASA. Credit: NASA's Goddard Space Fligh ...

Sulfur dioxide (SO 2) is a pungent, toxic gas that is the primary product of burning elemental sulfur. It exists widely in nature, mostly from volcanic activity and burning fossil fuels. It is found ...