Criminal cases can often only be solved using forensics to piece together physical evidence and reconstruct what happened.

Astronomers from the University of Bonn in Germany have discovered a vast structure of satellite galaxies and clusters of stars surrounding our Galaxy, stretching out across a million light years.

Where do viruses dangerous to humans come from, and how have they evolved?

Hidden in the mud, the cone snail Conus purpurascens lies in wait for its victims.

The earth's structure can be compared to an orange: its crust is the peel supported by the earth's heavy mantle.