Paleontologists sifted through thousands of 3 to 3.7 million year-old fossils in New Zealand, which also included great white shark teeth and the spine of an extinct sawshark. By Laura Baisas ...

The deep sea has many new discoveries waiting for us, including a newly discovered species called the "death ball" sponge.

Spanning multiple longitudes and latitudes, our planet’s largest continent is a mesmerising mix of diverse habitats. Mountains soar to giddy, air-thinning heights, oceans plunge to largely unknown ...