An 18th century portrait of an Inca king. Smallpox caused Indigenous populations in South America…

For more than a century, avocado growers have known that not all avocado trees flower…

Nasa’s Ingenuity helicopter/Image: Nasa Flying a helicopter on Earth is a remarkable engineering achievement. Flying…

They are fast, lethally venomous and highly aggressive. But most important of all, they have…

Image(s): J. Robert Oppenheimer/Wikipedia Prior to 1945, nuclear weapons were just an idea that could…

The world’s biggest ocean is also its most doomed one. Now, scientists are worried and…