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

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 ...

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.

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 ...

A unique new material that shrinks when it is heated and expands when it is cooled could help enable the ultra-stable space ...

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

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, ...

On Episode 167 of This Week In Space, Rod Pyle and Tariq Malik are joined by AJ Gemer of Lunar Outpost, a fast-moving company ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...