A rover found building blocks for life on Mars, NASA announced this week, but our fascination with alien life on the red planet began long ago.
NASA's InSight mission, which will dig into the planet's core, is the latest to explore for signs of life on the red planet.
NASA scientists announced today that they have strong evidence that water periodically flows on the surface of Mars, boosting the possibility of life there.
An analysis of rock dust by the Curiosity rover suggests that life could once have thrived on the Red Planet.
NASA’s Curiosity rover has detected powerful evidence for fast-flowing tributaries on the Red Planet in the form of ancient streambeds
As NASA’s rover Curiosity continues the quest to find life on Mars, explore five key events that piqued the public interest in the Red Planet.
Three and a half billion years ago, Mars was home to a vast ocean fed by scores of rivers and lakes, according to one study.