'Cosmic barometer' could reveal violent events in universe's past

Exploding stars, random impacts involving comets and meteorites, and even near misses between two bodies can create regions of great heat and high pressure.

Cosmic collision creates mini-planet with rings

Until now, rings of material in a disc have only been observed around giant planets like Jupiter, Uranus, Neptune and especially Saturn, which is known for its spectacular rings.

Asymmetry of life may have cosmic origin

The asymmetry of biological molecules may have come from space, say French scientists.