A special type of radioactive meteorite could have seeded life on Earth, a new study found. Carbonaceous chondrites, a type of radioactive meteorite chock full of water and organic compounds, produce energetic gamma rays that can drive the chemical reactions to synthesize amino acids — the building blocks of life — researchers discovered. Meteorites are … Read more
An ancient meteorite that crash-landed on a U.K. driveway may have solved the mystery of where Earth’s water came from. The 4.6 billion-year-old space rock, which landed in front of a family home in the English town of Winchcombe in February 2021, contains water that closely resembles the chemical composition of water found on Earth … Read more
Every year, millions of rocky shards from outer space burn up in Earth’s atmosphere, many briefly flaring and appearing in the sky as “shooting stars.” But how many survive their high-speed plunges to strike the ground? Rocks from space that land on Earth are known as meteorites. Giant impacts, such as the one that likely … Read more
Bright-green fireballs that streaked across the skies over New Zealand last month may finally have an explanation. On July 7, 2022, a bright-green meteor was spotted crashing into Cook Strait between New Zealand’s North Island and South Island. The meteor, likely about 3.3 feet (1 meter) in diameter, struck with explosive power equivalent to 2,000 … Read more
A gold-hilted dagger found in the tomb of King Tut surprised archaeologists when they discovered that it was made of a material forged in outer space. Now, two new studies are painting conflicting pictures of the origins of the mysterious weapon, which may have been wielded by arguably the most famous ancient Egyptian pharaoh. One … Read more
