Element essential for life found in supernova remains

Scientists have for the first time discovered phosphorous as one of the essential elements for life in the cosmic leftovers from a supernova explosion.

How life on Earth started 2 bn years ago

Two billion years ago, the Earth system was recovering from perhaps the single-most profound modification of its surface environments: the oxygenation of the atmosphere and oceans.

Vegetarian diet good for kidneys

Sticking to a vegetarian diet can help kidney disease patients avoid accumulating toxic levels of phosphorous in their bodies.