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 ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Elon Musk reveals his shock UFO theory: they aren't aliens but secret government weapons. Plus, the grim biological truth about colonising Mars and how it could mutate humanity.