Supernova

Ghostly stellar tendrils: Largest DECam image ever

Dark Energy Camera captures remains of a massive star that exploded nearly 11,000 years ago.

Is it a black hole or a neutron star? Mystery object found in our galaxy

Heavier than the neutron stars known and lighter than the lightest black holes.

Dark Energy Survey has obtained the largest supernova sample ever

Using the DOE-fabricated Dark Energy Camera, mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory, the Dark Energy Survey has...

Chandra and Webb combine to solve the mystery of the “Green Monster”

The Green Monster was first spotted in Webb data in April 2023.

NASA/JAXA XRISM released its first look at X-ray cosmos

A new glimpse of the hidden X-ray sky.

NASA’s Chandra offers evidence for at least two explosions tied to the supernova remnant

A new image of 30 Doradus B contains X-rays, optical, and infrared data.

Models reveal the first hints of nuclear fission in cosmos

Fingerprints of nuclear process never before directly observed in stars.

Webb’s new high-definition look at exploded star: Cas A

Like a shiny, round ornament ready to be placed in the perfect spot on the holiday tree, supernova remnant Cassiopeia A (Cas A) gleams...

Scientists have uncovered the physics behind stars’ superflares

Producing similar late-phase brightness.

Ancient stars were able to produce heavy-mass elements

How heavy can an element be?

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