It’s an uninhabited, inhospitable place where hopes die for life by chance.
If there’s life on Mars, experts agree, it’s probably beneath the surface. Finding evidence could require some lateral thinking — or boots on the ground.
How rapidly is the universe expanding?
Richard Dawkins is not a fascist, nor even a supporter of the alt-right. He’s better understood as an extraordinarily entitled member of the political class, who happens to possess a huge platform through which he can express that entitlement. Nevertheless, with the far right making increasing inroads into the mainstream, it’s important to remember the role that Dawkins and his friends have made and continue to make in popularising its ideas.
A new study documented the earliest known interbreeding event between ancient human populations — a group known as the ‘super-archaics’ in Eurasia interbred with a Neanderthal-Denisovan ancestor about 700,000 years ago. The event was between two populations more distantly related than any other recorded. The authors proposed a revised timeline for human migration out of Africa and into Eurasia. The method for analyzing ancient DNA provides a new way to look farther back into the human lineage.