Animal life on Earth existed for over half a billion years before hominins hit the scene – a complex combination of environmental changes, innovations in technology and competition may have led to us

The Arctic could see a surge of jellyfish as climate change leads to warmer waters and less ice – a process known as “jellification”

The one-day courses were particularly beneficial to those pupils with worse mental health problems initially

From how well they work to side effects such as hair loss, here’s the skinny on new weight loss injections that work by blocking a hormone that normally reduces appetite

The nasal flu vaccine may reduce cases of pneumonia illness in population over the whole flu season because flu infections are likely to lead to even higher boost in bacteria

Galaxies could do with a few more arms or some decorative designs – on this episode of Dead Planets Society, our hosts are using collisions, black holes and dark matter to reshape our galaxy