"As yet, nobody has managed to understand what gives rise to this strange phenomenon, and explaining dark energy remains one ...

When Pagan and DePasquale first receive the images, they appear in black and white. The colors are added to the image later, ...

In 1925, grad student Cecilia Payne first proposed that stars were mostly made of hydrogen and helium and shaped our ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

Astronomers detected light from galaxy GHZ2, 13 billion light-years away, revealing insights into early universe formation. Using JWST and ALMA, the discovery highlights rapid star formation shortly ...

A Yale-led team of astronomers has detected an intensely brightening and dimming quasar that may help explain how some ...

The universe tells us its story mainly through light and other wavelengths of electromagnetic radiation. We learn about the planets, stars, and galaxies by their light—visible light, and also ...

In other words, the universe must be expanding. He announced his finding in 1929. The ratio of distance to redshift was 170 kilometers/second per light year of distance, now called Hubble's constant.