Amur tigress orphaned in 2012 and released after rehabilitation a year later pictured with her cubs in Bastak Nature Reserve.
Scientist warns of 'environmental disaster' due to 'irreversible' pollution in world's deepest and oldest lake.
Marine life dying, pools polluted, power outages, no medicines for animals, and two years late, but officials say there is no cause for concern.
Made from the splintered ribs of cows or horses, one is still capable of making music.
Preserved by ice, the 25 year old ancient woman covered in tattoos used cannabis to cope with her ravaging illness.
Weak and hungry animal saved from dogs as it searched desperately for food.
Details revealed on lunar plans in coming decades.
Unique Paleolithic prize for scientists, a jaw of an early human who 'feasted on woolly mammoth' - but may have been cannibalised.
Scientists say there is growing evidence that rising temperatures were catalyst for massive unexplained holes in ground.