Space

DARPA's new telescope is ready for aliens

Russia wants a nuclear-powered spacecraft for Mars mission

Cosmic radiation damages astronauts' hearts

Bizarre cosmic explosion observed

SpaceX announces world's biggest rocket

Soyuz blasts off for ISS in taste of things to come

Board formed to take world's largest telescope to next stage of development

NASA image shows a thousand potential planets

Lumps and bumps reveal Earth's varying gravity field

Alien mining could be visible from Earth