Lines of latitude are imaginary horizontal lines that circle the Earth, helping measure how far north or south a location is ...

Ancient specimens of a previously undescribed species of four-limbed vertebrate fill a gap in the fossil record. The evidence offers surprises about where, when and how these ancestral relatives of ...

Roan and Taru Carr-Hartley went viral for a dramatic rescue. LONDON -- Roan Carr-Hartley held out his arms, stretching them like wings. "The search area was almost the size of Georgia that you're ...