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

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 ...

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

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.

Imagine gazing at the cosmos, not through a telescope, but immersed in a vivid journey that transports you to the farthest ...

Advances and the arrival of new technologies have allowed astronomy, the science that studies celestial bodies and phenomena ...

The universe might be hiding a domain wall that hints at why galaxies and other cosmic bodies remain in place, taking dark ...

The universe is a happening place—full of exploding stars, erupting black holes, zipping asteroids, and much more. The Rubin Observatory released its first images last week, and they’re stunning—vast, ...

American space agency NASA says the SPHEREx telescope has begun returning science data, and it will all be shared with the ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...