A science experiment aboard NASA's Curiosity rover has found tantalizing traces of possible past life on Mars. But there could be other explanations for where these compounds came from.

Though this discovery doesn’t constitute definitive proof of life, the complexity of these molecules is significant. The ...

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...

Scientists at NASA, analyzing rock samples collected by the Curiosity rover, have discovered the largest organic molecules ...

Our How Things Work feature for November 2011 focuses on the landing of the Curiosity ... descent to the surface, and glimpses of the kinds of science investigations the car-size rover will ...

Further updates have revealed that another private spacecraft aboard the lander, the tiny Mobile Autonomous Prospecting Platform (MAPP) rover, was able to return useful data before the lack of ...

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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 ...

A robotic lander named Athena has made its final descent to the moon's surface ... of robotic equipment - including a drill, hopper and rover - to scour the nearby area for confirmation that ...