Astronomers have confirmed the existence of a companion star in a tight orbit around Betelgeuse, resolving a long-standing ...

Led by NASA Ames scientist Steve Howell, the team used ‘Alopeke, a speckle imager named after the Hawaiian word for fox, to ...

Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that ...

Since at least the time of the ancient Egyptians, people across the world have gazed up in awe at Betelgeuse, one of the ...

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

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

It's around 1.6 times the mass of the Sun, Howell and his colleagues believe, at an orbital separation of 4 astronomical ...

The two objects make for a strange pair. Unlike Betelgeuse, which is approaching the end of its life, the blue-white companion (or Betelbuddy) has yet to start burning hydrogen in its core. In other ...

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

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...