In the 20th century, scientists began to suspect Earth was a lot older than we thought. It was our old friends/deadly foes, ...
The earliest days of Earth held secrets that scientists are still trying to uncover. One of the greatest mysteries is how life began. A key part of the answer lies in a rare element: phosphorus. This ...
Washington DC - Pristine samples of the asteroid Bennu transported to Earth contain the "basic building blocks" for life, shedding new light on the perennial question of how life began on our planet.