High in the Andes Mountains of northern Chile, something extraordinary is happening. Perched on the peak of Cerro Pachón at ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...

When we gaze into the night sky, we see a tiny fraction of what lies beyond our Solar System. In the vastness of space, our Sun and its planets are but a speck of dust. There are thousands of stars ...

If you wait even longer, eventually the stars will all burn out – stars like the sun last only about 10 billion years.

NASA’s SPHEREx mission is mapping the entire sky in 102 infrared colors, turning raw space data into a public tool for ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

NASA’s James Webb Space Telescope began its legendary mission unfolding the secrets of our universe and producing some of the ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The object 9.1 billion light-years away, named FRB 20230521B, now holds the record for the most distant FRB ever recorded.