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 ...

Scientists have discovered astonishing microbial diversity deep beneath Earth's surface, which could have implications in the hunt for life on Mars. The study, published in Science Advances, examined ...

SpaceX CEO Elon Musk suggested on a Wednesday episode of Senator Ted Cruz's podcast that while humans may not find living aliens on Mars, they could uncover the "ruins of a long-dead alien ...