When a gravitational lens magnifies a background galaxy, why don't we see the object doing the lensing, as we would if ...

The hyperdrive from Star Wars appears to depict an ultra-relativistic motion through space, extremely close to the speed of light. Under the laws of relativity, you neither reach nor exceed the speed ...

Citizen science project uses Euclid telescope data to find gravitational lenses. Public helps identify light-bending galaxies ...

Astronomers have spotted a mysterious object in a distant star system that erratically emits dust that shrouds its star, obscuring its light by as much as 75 percent. The researchers behind the ...