US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions and push the search for alien life.

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

More than half a century after humans set foot on the Moon, the final frontier still fuels our imagination. Back then, it was all about doing what had never been done before and doing it first. In ...