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A woman's body has been found to consist of varying proportions of male and female cells because of an extremely rare form of chimerism ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based telescopes ...

Chess960 involves shuffling the pieces at the back of the board, and an analysis suggests doing so can increase the complexity of the game to favour white, black or neither player ...

Olivia Remes, a mental health researcher at the University of Cambridge, says these are the three things everyone should do this New Year to cultivate a more positive mindset ...

Understanding the chemical properties of a molecule is an inherently quantum problem, making quantum computers a good tool for the job - and we may start seeing this take off in 2026 ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a single system - a rare event that will help elucidate the physics of complex mergers ...

An explorer and a glaciologist are kite-skiing across Antarctica with a ground-penetrating radar to gather data that will help understand the past and future of the ice sheet ...

In 1892, astronomer Edward Emerson Barnard thought he saw a bright star near Venus, but then it vanished. We may now know why ...

Eleven companies are working towards an ambitious goal as part of the US Department of Energy's plan to fast-track the development of advanced nuclear reactor technologies ...

On the horizon for this year are Ann Leckie's latest, Neil Jordan's debut and more from Adrian Tchaikovsky. Exciting times, says our sci-fi columnist Emily H. Wilson ...