As the line of sunsets swept westward yesterday, people around the globe thrilled to the sight of the moon and Venus in their twilight sky. See their photos!
Biologists and physicists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, found out that not all of the Southern Hemisphere humpback whales (Megaptera novaeangliae) migrate towards the equator at the end of the Antarctic summer.
Scientists have found thousands of microplastic particles floating in the Great Lakes. They are concerned that the particles may disrupt aquatic food webs.
A simulated view of the dramatic pairing of the moon and Venus, which you can see on September 8, 2013. From all parts of Earth, look west after sunset!