Faint Young Sun Paradox Explained by Microbes?

The faint young sun paradox asks why the early Earth had liquid oceans when the young sun was much fainter than it is today. Scientists from the University of British Columbia think they have an answer. Find out more. (3:30 min read)

Plasma: Exotic Fourth State of Matter on the Sun

Liquid, solid and gas? There's more to the story. Read about a new study on the behaviour of matter in plasma form on the surface of the sun.