Could Mars have really been home to alien lifeforms? NASA's most recent discovery, made by its Curiosity Rover on the Red ...

NASA has found a large hole on Mars. This hole might lead to underground caves. Scientists think these caves could hold alien ...

In what may be the most significant clue to alien planet life yet, scientists studying K2-18b have detected two sulfur-based ...

A scientific analysis of samples collected on the surface of Mars shows the red planet has evolved its own version of a carbon cycle. The cycle helps create life on Earth, but why not on Mars?

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks ...

A new study led by a University of Calgary scientist has found evidence that suggests Mars once had a carbon cycle, giving ...

NASA's Curiosity Mars rover sees its tracks receding into the distance at a site nicknamed "Ubajara" on April 30, 2023. This site is ...