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Snowball earth proof in Scottish-irish rocks

Researchers have discovered evidence for an ancient glaciation in old Caledonian rocks - a previously undiscovered finding which indicates that the planet froze over during the 'Snowball Earth' period nearly 700 million years ago.

Life reached land a billion years ago

A University of St Andrews scientist has discovered that life colonised the land more than a billion years ago, far earlier than previously thought.

Melting the snowball earth theory

Geoscientists in Scotland have found evidence against the controversial theory that the Earth was completely frozen for periods of many millions of years.