NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

Space scientists have released jaw-dropping scenes capturing a star’s violent death — recorded over more than two and a half decades.

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to ...

The John N. Bahcall Lecture Series Presenter: Robert Kirshner, Clowes Professor of Science, Harvard University Exploding stars halfway across the universe show that the expansion of the universe is ...

What can an exploding star in a distant galaxy teach scientists about red supergiants? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of ...

Artist's concept of a red giant star and white dwarf orbiting one another. When the red giant moves behind the white dwarf, a nova explosion on the white dwarf ignites. (Photo Credit: NASA Goddard ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

The James Webb Space Telescope has captured stunning images of Sagittarius B2, a massive molecular cloud near the Milky Way's ...

When the Kepler space telescope malfunctioned last spring, it looked as though its incredibly successful planet-hunting mission might be over—and NASA made that sad fact official a few months later.