When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like? Evolution tends to solve the same problems with similar designs, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Engineers have designed a compact, battery-powered radio probe that could help unlock the secrets of alien planets. The proposed ...

Scientists are now developing spinning space stations with artificial gravity that could take astronauts deeper into the Solar System in the 2030s, reshaping how long humans can stay in space and how ...