Astronomers using the Webb Telescope detect a faint smudge that may be the first galaxy, or a nearby impostor, named ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

Fast radio bursts (FRBs) last around a millisecond and in doing so encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas ...

Space, as we all know, is big. In fact, it’s more than big; it’s vastly, hugely, mind-bogglingly big. But how big is that, exactly, and how do we go about assigning actual, quantifiable distances ...

Through the James Webb Space Telescope and the Hubble Telescope, it has been possible to confirm the expansion of the ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that uncertainty produces others, too: it makes it impossible to calculate an exact age ...

To the unaided human eye, the night sky is resplendent with over 9,000 individual points of light, but that perspective covers only a bare fraction of the universe. When you purchase through links on ...

You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have proclaimed, “but if you’re lucky, you will discover happiness in your own ...

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and more.

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...