Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.

22 carat (Gold 916) gold rate today in Agartala is Rs 89,448 for 10 grams and Rs 8,944.80 for 1 gram. The price of 18 carat (Gold 750) in Agartala is Rs 73,185 per 10 grams and Rs 7,318.50 for 1 gram.