The UFO sightings that swept the US

Seventy-five years on from the first mysterious sightings in the US, Nicholas Barber looks back at one of the most haunting objects in popular culture.

Do we need a new theory of evolution?

A new wave of scientists argues that mainstream evolutionary theory needs an urgent overhaul. Their opponents have dismissed them as misguided careerists – and the conflict may determine the future of biology.

5,000 exoplanets now confirmed to exist

Exoplanets, worlds orbiting distant stars, were once only theorized. And even then, astronomers thought only some stars had planets. Yet, on Monday, NASA announced that, to date, 5,000 exoplanets have been detected.

Edward O. Wilson, leading U.S. biologist, dies at 92

Edward O. Wilson, the sometimes-controversial U.S. biologist, professor, and author known as “Darwin’s natural heir”, who studied insects and human behaviour, has died at the age of 92, his foundation said Monday.

Capitalism is killing the planet

George Monbiot says it’s time to stop buying into our own destruction. Instead of focusing on ‘micro consumerist bollocks’ like ditching our plastic coffee cups, we must challenge the pursuit of wealth and level down, not up.

The search for alien tech

Radio signals is old hat: now it’s all about hunting for extraterrestrial technosignatures. But do we want to be found?