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

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

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 ...

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

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 ...

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 ...

For thousands of years, humanity viewed the skies as unchanging, except for a few "wandering stars" (that we now know are planets). As we improved our ability to perceive the cosmos with ...

CC0 Usage Conditions ApplyClick for more information. As NASA’s premier X-ray telescope, Chandra gives us a powerful tool to investigate hot regions of the Universe, from black holes, to exploding ...

This artist's concept visualizes a kilonova – an explosion that happens when two neutron stars or a neutron star and a black hole collide and merge. When these collisions happen, a fraction of the ...

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 ...

Dust littered the early universe and seeded the formation of rocky planets such as the Earth. But where, exactly, most of the celestial grit came from was uncertain until now. Astronomers have found ...