Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

"The RRC should have done more in these draft rule amendments to incorporate best practices." Mysterious appearance of ...

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world..

For this week's accessory roundup, we're looking at a few lights, some Leica anniversary products, and an ultra-tough and ...