Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

Illustration of Fe(II)-enhanced phosphate adsorption onto phyllosilicates in Archean iron-rich oceans, a process that may ...

Richard Foster’s disciplined attention to spiritual formation began early on. Senior managing editor Mark Galli sat down with Foster in his home in Colorado to talk about the genesis of his lifelong ...