Without dark matter there would be no galaxies, stars or planets. But physicists are yet to find direct proof of its existence. So where is it?

The real issue raised is not about brain transplants or sci-fi fantasies of reanimation of corpses. It is about how we define life and death

The simplistic portrait masks a mind-bendingly complex reality  

Well-publicised comments from a former researcher at CERN show the barriers and prejudice women still face

Artists and musicians beware—AI has got much further than you might think

Countries around the globe are launching successful missions. The question is whether they will compete or collaborate

Chinese scientist He Jiankui claims to have used “CRISPR technology” to such an end. We can only hope for the health of the two children

Autonomous vehicles force us to confront profound philosophical questions 

Robert Plomin's Blueprint argues—correctly—that genes have a profound effect on human traits from intelligence to mental health. But what happens in our lives matters, too

Sperm counts have been decreasing for decades. Nobody seems to know why it’s happening, and not much is being done to find out, but we could be facing a public health disaster