Scientists may have falsely estimated extinction of Siberian unicorn, a vanished mammal, at 350,000 years ago. Discovery of a fossilized skull may have a different story to tell.
Nearly half of the world's population of the endangered Saiga antelopes died earlier this year.
Beijing, China has been awarded the 2022 Winter Olympics, making it the first city to host both summer and winter games since the ancient athletic competition was resurrected in 1896.
The reason behind the illness remains unknown but multiple bacteria infections are suspected.
The US government has released five people previously held in Guantanamo Bay, Cuba to the government of Kazakhstan.
