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

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

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

Astronomers from the University of Hawai'i (UH) at Manoa and elsewhere have observed the Taurus star-forming region, which ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

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

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

Is it natural? Astronomers spot strange protrusion on object 3I/ATLAS as it speeds toward Earth. The interstellar comet shows ...

Astronomers have recorded a unique awakening of the neutron star P13. Over the course of a decade, its X-ray brightness has ...

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 ...

Avi Loeb reports new telescope observations of interstellar object 3I/ATLAS, describing a periodic wobble in its anti-tail and what it reveals about rotation ...

The interstellar comet 3I/ATLAS will pass Earth safely on 19 December, giving astronomers a rare chance to study a visitor ...