Record-breaking levels of smog in India and Pakistan are visible from space and posing a health risk to millions. Meanwhile, ...

From ostriches, rheas, cassowaries to emus, they feature on the list of biggest and heaviest birds in the world.

The naumachiae seem mostly to have been recreations of famous historical engagements – in the movie, it's the Battle of ...

As climate change bears down on Antarctica, understanding why some penguins end up meandering so far from their natural ...