Artist’s illustration of the large-scale structure of the universe
Science Photo Library/Alamy
Astronomers have found the largest known structure in the universe. It is 1.4 billion light years across and contains nearly 70 galactic superclusters. It is also hundreds of thousands of times more massive than a single galaxy, such as the Milky Way.
Hans Böhringer at the Max Planck Institute for Physics in Munich, Germany, and his colleagues have named this cosmic structure Quipu after an Incan counting system made from knotted rope. B…
Physicists are uncovering when nature’s strongest force falters
The STAR detector at the Relativistic Heavy Ion ColliderBROOKHAVEN NATIONAL LABORATORY We are getting closer to understanding when the strong...
There are five types of sleep – here’s what that means for your health
Sleep can be experienced very differently from one person to the nextPeopleImages/Shutterstock Different people may experience one of five types...
Your happiness in life may not be U-shaped – here’s how it could vary
Our happiness levels are not constant throughout our livesIppei & Janine Photography/Getty Images The commonly held belief that happiness follows...
Jane Goodall, dogged advocate for the natural world, has died aged 91
Jane Goodall studying the behaviour of a chimpanzee during her research in TanzaniaPenelope Breese/Liaison Renowned conservationist Jane Goodall has died...
