Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

Astronomers are closer than ever to working out how the biggest galaxies in the cosmos grew so quickly before dying.

A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ...

We are the Universe trying to understand itself. How, and why, did we come to be? Why does the Universe take the shape it ...

While NASA’s NEOWISE telescope ended its journey through space on Nov. 1, 2024, the team at IPAC, a science center at Caltech ...

Physicists find themselves wishing upon a star (to explode) to solve one of the most frustrating questions in science.

The Webb Telescope has the ability to look at the beginning of the universe, which was 13.7 billion years ago.

On Episode 138 of This Week In Space, Rod Pyle and Tariq Malik talk with Scott Tibbitts, who spun $7 of hardware store parts ...

Astronomers have snapped the first detailed close-up image of a star outside the Milky Way, and what they found is amazing.

A series of "red monsters" discovered by the James Webb Space Telescope (JWST) are complicating our accepted ideas about the ...

Other winter wonders include Venus getting higher and brighter and Mars beginning its retrograde motion.