Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

The assembly of the telescope ramped up this autumn, with 600 workers aiming to get everything integrated and tested by late ...

It is thus only fitting for a goddess to be named for none other than the door hinge: Cardea. And now, thanks to Clay ...

To kick off the beginning of the weekend, catch Venus and Saturn meeting as a conjunction on the night of Jan. 17. A ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

The James Webb Space Telescope can look deeper (and earlier) into the cosmos than any telescope before it. How much do you ...

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ...

So it was a surprise when astronomers used the James Webb telescope to find a cloud of carbon that formed just 350 million years after the Big Bang. This pushes the clock way back on when life ...

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

From solar storms to "shooting stars" over Stonehenge, here are our top 10 favorite space photos of 2024 — and what they told ...