Asia

Caspian tiger is essentially the same subspecies as Siberian tiger

Caterpillars may be on the menu for future space expeditions

The sun's magnetic cycle may play a key role in droughts and downpours

Attacks on humans rise in Nepal's recovering forests

New analyses show continuing threat of a major earthquake and possible Indian Ocean tsunami

A disease carried by black rats spelled the end for two endemic species on Christmas Island

Clues to earlier tsunamis embedded in soil

First humans reached China soon after leaving Africa