There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this energy for anything useful? The idea of vacuum energy comes from quantum field theory, which ...

Bolted to the exterior of the International Space Station, a few hundred moss capsules spent nine months staring straight into the void. There were just thin plant walls separating tiny spores from an ...

Moss spores survived an extended stay on the outside of the ISS and remained capable of germinating once back on Earth. Their resilience to vacuum, extreme temperatures, and UV radiation surprised the ...

This firm’s one of the few in the world working on the tech behind ultra-low Earth satellitesImagine trying to build an ion ...

Space has a trash problem, with defunct satellites, rockets, and smaller broken bits orbiting Earth at high speeds. The amount of space junk is only increasing, raising the risk of collision with ...