Earth's First Animals Barely Needed Any Oxygen

There's a longstanding theory which says oxygen-rich oceans were a key requirement for complex life to emerge on Earth. But a new study involving sea sponges upsets this notion, showing that primitive animals may have been able to survive with hardly any oxygen at all. » 2/18/14 9:00am 2/18/14 9:00am

That meteorite which blew-up over California last April is one of the…

This past April, a 100,000 pound (45,360 kg) meteorite exploded above the skies of Sutter's Mill, California. Streaking in at a speed of 64,000 miles per hour (103,000 km/hr or 28.6 km/s) — about twice the speed of typical meteorite falls — it hit with the energy of a quarter of a Hiroshima bomb, making it the biggest … » 12/21/12 8:40am 12/21/12 8:40am

Chemist Discovers the Origins of Life in a Cardboard Box

In 1953, chemists Stanley Miller and Harold Urey created life. They filled flasks with water and gases from Earth’s primordial atmosphere and, with a jolt of electricity, created amino acids, the building blocks of all life on this planet. Last year, a former student of Miller’s discovered the remnants of the… » 10/17/08 8:40am 10/17/08 8:40am