Elon Musk doesn't believe aliens have visited planet Earth and thinks UFOs have more to do with the United States government ...

NASA’s latest images from Mars show a rock that looks less like a random boulder and more like something deliberately carved, a sculpted shard standing alone on the dusty plain. The discovery has ...

The man who has staked his reputation—and billions of pounds—on turning humanity into an interplanetary species has a ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...