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

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

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This rare particle—never seen before and predicted not ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.