By comparing new Hubble observations with images first taken in 1999, astronomers traced the continuing expansion of one of ...

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...

Images of the same colorful nebulae 25 years apart are a key example of why the Hubble Space Telescope's longevity matters ...

Using NASA's SPHEREx space telescope, astronomers have observed remnants of the eruption of Nova Persei 1901. As a result, ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

Two telescopes have captured images of the Cat's Eye Nebula, revealing how a dying star shed layers of material in violent ...

Watching a star die has an oddly intimate quality, particularly when it fades slowly and almost purposefully rather than ...

Award-winning indie press offers free Harry Turtledove titles, early access copies, and preorders for Mercedes Lackey's ...

The James Webb Space Telescope has revealed new details in a bizarre nebula that looks like a brain floating in space. Formed ...