One of the main objectives of the Hubble Space Telescope, launched in 1990, was to measure the size and age of the Universe, ...

Astronomers who examined the sound waves from the Big Bang say that the Earth and the entire Milky Way could be trapped in a ...

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

For centuries, people have looked to the stars, asking how it all began—and how it might end. Now, thanks to a bold new study by physicists from Cornell University, Shanghai Jiao Tong University, and ...