Some periods in Earth's history are so different from our own that they may as well belong to another planet. Many people are interested in the age of dinosaurs or the Ice Ages, but it is an ...

Hollow atoms are special atoms with multiple missing electrons in their inner shells, while their outer shells are still fully or partially filled with electrons. Studying the production mechanisms, ...

It was our planet, immediately before humans – instantly recognisable, but only just. During the Middle Miocene, around 17 million to 15 million years ago, carbon dioxide levels in the atmosphere were ...