Spinosaurs have sometimes been portrayed as swimmers or divers, but a new species of these dinosaurs bolsters the idea that they were more like gigantic herons

After a Falcon 9 rocket stage burned up in the atmosphere, vaporised lithium and other metals drifted over Europe. This growing type of pollution could destroy ozone and form climate-warming clouds

An exotic type of dark matter could explain some of the characteristics of our galaxy’s central supermassive black hole, but many cosmologists are leery of the idea

Prolonged grief disorder affects around 1 in 20 people, and we're starting to understand the neuroscience behind it

Symbiotic bacteria living inside insect cells have lost much of their DNA over hundreds of millions of years, much like the ancient microbes that evolved into mitochondria