Passionate about Mars, the professor at Arizona State University has been part of the missions of the legendary robots that NASA has sent to the red planet since the 90s, such as 'Curiosity,' 'Spirit, ...

Many have claimed to see a UFO or have an encounter with an alien, but what do the scientists have to say? Here's what ...

Part of a spacecraft that has been stuck in orbit for 53 years is due to reenter Earth’s atmosphere around May 10 and could ...