It’s fortunate for us there are no giant meat-eating birds, but you must admit it would be rather cool, at least if their range was restricted.

It’s fortunate for us there are no giant meat-eating birds, but you must admit it would be rather cool, at least if their range was restricted.
Expedition member Chris Blakeley in the entrance to the world’s northernmost known cave, found on the Wulff Land…
The Chicxulub asteroid brought the age of the dinosaurs to an end ROGER HARRIS/SCIENCE PHOTO LIBRARY The asteroid…
The ice floe cracks up around the Endurance Royal Geographical Society After the British ship Endurance (pictured above)…
Earth was once covered by a global magma ocean, which later cooled and crystallised – now traces of…