Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

The longest gamma-ray burst ever recorded did not behave like a quick cosmic flash. Instead, it burned across the sky for ...

The most extreme fireworks in the universe are supposed to follow rules. Gamma-ray bursts, the brightest explosions known, ...

A supernova has been detected at an unprecedented cosmic distance. The explosion, designated SN in GRB 250314A, occurred when the universe was only about 730 million years old, placing it deep in the ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

Learn more about the supernova, which is more than a billion years older than the previous record-holder.

In a remarkable astronomical event, scientists recently detected the longest gamma-ray burst (GRB) ever recorded, an explosion that lasted an astonishing seven hours. This unprece ...

NASA detected the most intense gamma-ray burst (GRB) in July 2025. While most such deep space signals last only a few seconds ...

In July 2025, NASA detected an unusually long-lasting and intense gamma-ray burst (GRB) from deep space, the origin of which ...

In July 2025, NASA detected an unusually long-lasting and intense gamma-ray burst (GRB) from deep space, the origin of which ...

Astronomers have spotted an extraordinarily long-lived cosmic explosion lasting more than seven hours, breaking the record as ...