Space

More doubt cast on dark matter theories

Nearby supernovae affect climate, and help life thrive

Rubber chicken launched into massive solar storm

Cassini sees objects blasting through Saturn's rings

As sun flips polarity, scientists are bemused

Asteroid mining could start this decade

NASA says the moon's crust is being stretched

Robots, not humans will explore space

Dark matter theories take a blow

Cosmic ray bursts still a mystery