All Items Tagged

“continents”

Jun 19, 2014 12:00 PM ET // Becky Oskin, LiveScience
The 'boring billion:' the long evolutionary pause when algae ruled the Earth, might be due to stalled plate tectonics.
Jun 16, 2014 09:15 AM ET // Stuart Gary, ABC Science Online
New study challenges the idea that the rate of plate movement remains stable.
May 30, 2014 11:00 AM ET // Richard Farrell
Four-billion-year-old sample suggests modern-day Iceland is our best bet for an example of how Earth's continents first formed.
Apr 22, 2014 10:50 AM ET // Larry O'Hanlon
A quarter of a billion years ago Africa slammed into North America and left a scar that can be seen today with special instruments.