Last Updated: Monday, February 24, 2014, 10:01
A microscopic grain of Earth`s oldest known mineral has been dated to 4.4 billion years ago, shedding light on our planet`s infancy and how it came to harbour life, researchers said today.
Last Updated: Thursday, May 31, 2012, 14:20
The largest volcanoes on Earth may take as little as a few hundred years to form and erupt, a new study has revealed.
more videos >>