On a clear June day in Georgia, a blazing fireball suddenly fell out of the sky over the Atlanta metro area. The source of this spectacle was a 1-ton meteor that exploded in mid-air, sending a cherry tomato-sized fragment shooting through the roof of a McDonough home. Though no one knew it then, this space […]
A Meteor Impact May Have Caused a Giant Landslide in the Grand Canyon
Researchers have long puzzled over the presence of driftwood and lake sediments in Stanton’s Cave in the eastern Grand Canyon, whose mouth sits 150 feet (45.7 meters) above the river. How could the material possibly have reached that height? According to Karl Karlstrom, a geologist from the University of New Mexico, it would have had […]
Biggest Martian Meteorite Ever Found Could Fetch $4 Million at Auction
One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite. This space rock, discovered in the Sahara Desert in 2023, is the largest chunk of the Red Planet ever found on Earth. Sotheby’s, a New York-based auction house, estimates the meteorite could fetch up to […]
A Meteorite From Alaska Challenges Theory of How Earth Got Its Water
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 […]