Related topics: species

Australia's Tasmanian Tiger killed by man, study says

Australian researchers investigating the extinction of the country's Tasmanian Tiger put the fault solely with humans Thursday, saying they had debunked a long-held theory that disease was to blame.

Cosmic rays reveal event in Earth's magnetic field history

41 000 years ago, the Earth's magnetic field faded and practically disappeared, leaving our planet unprotected from the bombardment of cosmic rays. Evidence for this event has been found in ocean sediment cores by a team ...

Walking sharks discovered in the tropics

Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea.

page 7 from 40