Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...

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

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

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

The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

The 2026 program, with its mix of historic commemorations, is expected to draw interest from regular collectors and new ...

The telescope captured near-infrared light from one of the earliest stars seen to explode in the history of the universe.

The surprisingly high amounts of chlorine and potassium in a supernova remnant could help solve the mystery of where these crucial elements come from ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected.

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled ...