NSF-funded ‘Alopeke instrument on the Gemini North telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation (NSF) and operated by NSF NOIRLab, ...

Betelgeuse, the red supergiant star closest to Earth, has finally been proven to have a companion star in observations from ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume, spanning a radius ...

Interest in Betelgeuse intensified during its great dimming in 2019-20 and subsequent resurrection. Among several ...

It is Betelgeuse and for hundreds of years astronomers have puzzled why its twinkle grows lighter and then dimmer over time.

A cosmic traveler from another star system is currently visiting our solar neighborhood. Scientists are closely observing ...

Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

The Times is launching a three-part investigative series with one overriding question: What is the future of aviation at ...

This comet, first detected on July 1, 2025, by the ATLAS sky survey system, is providing scientists with a rare glimpse into the chemistry and behavior of objects that formed around other stars.

Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...