doom

To be able to break into these castles, you will face countless dangers and deaths waiting ahead.

Climate change may be the indirect cause of the collapse of the Khmer kingdom in Cambodia nearly 600 years ago.

The world's largest super volcano under Yellowstone National Park in Wyoming state (USA) is operating very strong with a record speed since 2004 up to now.

Most recently, Hawking had a conversation with Times magazine about his shocking statements.