Cattle shown to align north-south

New spark in classic experiments
Scientists re-examine the iconic 1950s tests that attempted to show how life may have got started on Earth.

Expedition set for 'ghost peaks'
Scientists prepare to survey Antarctica's Gamburtsev mountain range - one of the most enigmatic mountain groups on Earth.

Beaked whales - into the abyss
Scientists believe that beaked whales are one of the least understood groups of mammals on Earth.

Final plea on Earth observation
Leading Earth observation scientists urge Gordon Brown to back Europe's environmental monitoring project, GMES.

Rare penguin took over from rival
Human arrival in New Zealand led to the extinction of one penguin species to the advantage of another, scientists suggest.