Big Tech companies including Nvidia and Elon Musk's SpaceX are making large bets on a new layer of critical infrastructure ...

For most of the space age, our presence in Earth orbit has been relatively modest. Until the beginning of the 21st century, ...

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples ...

NASA’s DART mission changed the Dimorphos' asteroid orbit around the Sun, proving spacecraft impacts could help defend Earth.

Billions of dollars are flowing into low Earth orbit as governments and private operators race to build satellite constellations and, increasingly, to place computing infrastructure in space itself.