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

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

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

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Astronomer captures rare footage of lunar impact flash - The event was captured using the Armagh Robotic Telescope at the ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

An artist’s impression depicts the accretion disk surrounding a black hole, in which the inner region of the disk wobbles. In this context, the wobble refers to the orbit of material surrounding the ...

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray ...