Astronomers using the James Webb Space Telescope (JWST) have unveiled a new planet in the enigmatic Kepler-51 system, a ...

James Webb Space Telescope image of the stellar nursery N79 in the Large Magellanic Cloud, a satellite galaxy of the Milky ...

Astronomers say they are close to solving an intergalactic mystery about the creation of the universe's biggest galaxies ...

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

How many exoplanets are in the cosmos and what can they tell us about planetary formation and evolution? This is what a ...

"This unique lensing configuration allows us to constrain both the Hubble constant and dark energy parameters simultaneously ...

An unusual planetary system with three known ultra-low density "super-puff" planets has at least one more planet, according ...

"Maybe we didn't understand the universe as well as we thought," said astrophysicist Justus Gibson of CU Boulder.

By combining JWST and Hubble data, an unprecedented high-resolution photo of Vega shows an extremely smooth and rare disk.

Plate tectonics seems to be crucial for life on Earth, but we’ve never confirmed that it happens on other worlds - that may ...

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

This week, the James Webb Space Telescope zooms in on the iconic Sombrero Galaxy, revealing the first-ever mid-infrared ...