It is almost 100 years since scientists discovered the universe is expanding. In the decades that followed, the accuracy of ...
This is light emitted when the universe was just a few hundred thousand years old – long before stars or planets had formed.
Gravitational lenses bend and focus light from the more distant cosmos, offering astronomers a cheat code for chronicling the ...
According to researchers from the Netherlands Institute for Radio Astronomy (ASTRON), Elon Musk’s SpaceX Starlink satellites are blocking scientists' ability to see the universe. The satellites, which ...