The US is ramping up efforts to secure key minerals, aiming to reduce its reliance on China for materials critical to defence ...

Astronomers have discovered the smallest known dark object, detected only through its gravitational pull, revealing new clues ...

Earth’s turbulent atmosphere makes it hard to detect new planets from the ground. Astronomer Rebecca Jensen-Clem is working ...

A satellite that beams sunlight from space? Scientists say it could end darkness and change nights forever — but at what cost ...