Water is essential to life as we know it, but scientists are still unsure about how it originated on Earth. One theory is that asteroids express-shipped us hydrogen, essential to the formation of water molecules, by colliding with our planet in its early history. New research, however, suggests Earth already had enough hydrogen of its […]
Huge Impact Crater in Australia Breaks Record for World’s Oldest by Over a Billion Years
Scientists in Australia say they’ve found the world’s oldest impact crater, surpassing the previous record-holder’s age by more than 1.25 billion years. The meteorite impact—in Western Australia’s Pilbara region—dates back 3.5 billion years, while the former record-holding impact crater is just 2.2 billion years old. By far, the Pilbara crater is the oldest known on […]