An Opalton grasswren.
Barry Baker
Our birds are tough. They went through some mean climatic conditions to make Australia home.
When Pangea Ultima forms, conditions on Earth will be too inhospitable for most mammals to survive.
Maurus Spescha/Shutterstock
A supercontinent could raise global temperatures to such a degree that it could wipe out mammals.
Bjoern Wylezich / Shutterstock
Scientists were not previously certain how the precious stones arrived at the Earth’s surface.
Rock fern, Cheilanthes austrotenuifolia
Donald Hobern/Wikimedia
This Easter, read about this remarkable species of resurrection fern — plants that appear dead and dry, but under the right conditions rapidly spring to life.