Even though laser beams have no mass, they do have a tiny amount of gravity, which allows them to drag and warp space and slow down time as they propagate
Japanese landers on the asteroid Ryugu have sent back more stunning images and video of the alien landscape
States spying on the very organisations that challenge their surveillance power demonstrates how important such work is, says Privacy International’s Edin Omanovic
Three people in the UK have caught the tropical disease, a relative of smallpox, the first time there have been cases in this country. But the smallpox vaccine provides immunity.
Despite prevailing medical wisdom saying it shouldn't work, implants have allowed paralysed people to walk again. We need to pin down the science to help others
Mathematical proofs embody a Platonic ideal of eternal truth. Two major contested proofs this week show the need for more controversy, not less
You might think your cat is working hard to keep your home rat-free, but actually the rodents are just hiding
Manta rays use a filter system to sieve food from the water, but the filter captures food particles so small they should pass through – and now we know how
Our extinct Neanderthal cousins had big bulky hands that look clumsy, but their bones reveal that they could hold objects in the same way we hold pens
A new robot called Fiberbot wraps itself in a cocoon, creating towering fibreglass tubes that could be used for constructing buildings and bridges