Astronomers have discovered that sulfur may be a key to helping us narrow down our search for life on other planets. It's not that sulfur is a great indication that a planet is inhabited. Instead, ...

The Mars rover made an incredible discovery on the Red Planet after accidentally splitting a rock. Yellow sulfur crystals spilled out from the inside. This is the first instance of finding sulfur ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

Nasa's Mars rover has made its "most unexpected" discovery since it landed on the red planet in 2012: rocks made of sulphur. On 30 May, the Curiosity rover "happened to drive over a rock and crack ...