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.

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 ...

Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

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 ...

More than a decade in the making, the Vera Rubin Observatory finally released its first image as its begins its ...