The Red planet Mars is currently being investigated by a rover sent by NASA even as I write this article. The rover has reported an interesting discovery. Silica deposits in Mars dug up by the Spirit rover tells us a lot about the past...

Textbooks always showed Dinosaurs eating grass. But, scientists said that grass did not become common until long after the dinosaurs died at the end of the Cretaceous period, 65 million years ago. Some solutions can be predicted to this...