A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Dark matter may ignite brown dwarfs into glowing “dark dwarfs” Only self-annihilating dark matter types would create this effect James Webb Telescope may already be able to detect dark dwarfs ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

On July 11, 2022, the James Webb Space Telescope finished its commissioning and commenced science operations. In the three ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing ...

The whole picture doesn’t become clear until you combine Webb data with Hubble data,” stated Rogier Windhorst, Regents Professor at Arizona State University, captioning a revolution in cosmic vision.

NASA’s James Webb Telescope captures the "Cosmic Owl," a rare galactic formation resembling an owl’s face. See stunning images.

NASA released images of star clusters NGC 460 and NGC 456 in the Small Magellanic Cloud. Hubble shows visible light, while ...

NASA's James Webb Space Telescope has revealed thick, dusty layers of the Cat's Claw Nebula, a region of star formation about ...

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...