In late 2013 and early 2014, NASA's Curiosity rover detected an unexpected spike in methane on Mars — 10 times the usual level. Within a few months, the spike faded. Since then, Curiosity has recorded ...

Scientists may have solved a long-standing Martian mystery, supporting our never-ending quest to find signs of life on the red planet—Why does Mars burp? In recent years, NASA's Curiosity rover has ...

The seasonal variations of methane in the Martian atmosphere is an intriguing clue that there might be life hiding under the surface of the red planet. But we won't know for sure until we go digging ...

The brief spikes of methane observed on Mars tend to follow the seasons, with late spring and early summer seeming to have the highest levels of atmospheric methane. When you purchase through links on ...