Astronomy

Three galaxies that formed less than 600 million years after the Big Bang tell the story of the first light of the cosmos.

With the naked eye, we should be able to see the C/2023 A3 comet as bright as ever.

Comet C/2023 A3 has spent tens of thousands of years traveling through the solar system.

The new images of CG 4 were captured by the DECam, a 570-megapixel DECam at the Cerro Totolo Inter-American Observatory in Chile.

Scientists have speculated about the existence of a so-called "Ninth Planet" for years. They're one step closer to confirming it.