Astronomers imaged two novae only days after eruption. They used the CHARA Array in California for clarity. The system captured expanding material around each erupting star.

The footage, which NASA released on Dec. 3, was captured by the Perseverance rover inside Jezero Crater on Sept. 6, as ...

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled out yet. One involves a medium-size black hole, thousands of times heavier ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Two modern X-ray telescopes have captured an unprecedented explosion of a supermassive black hole located about 130 million ...

Fiji’s early warning system is under renewed scrutiny after several families in the Central Division were caught off guard by ...

Today’s leading AI models can already write and refine their own software. The question is whether that self-improvement can ...

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