Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Betelgeuse is one of the night sky's brightest stars and easily can be observed from Earth with the naked eye. Its fluctuations in brightness have long puzzled astronomers, however. Now, researchers ...

Astronomers have made a groundbreaking discovery that could revolutionize our understanding of the giant red supergiant Betelgeuse. A small companion star, affectionately named the ‘Betelbuddy’, has ...

But this orbital dance has a darker future. Over time, tidal forces continue to drain energy from Siwarha’s orbit, pulling it closer to the red supergiant. Eventually, the smaller star will spiral ...

Whenever we enter Valentine’s season, astronomers are sometimes asked about possible Valentine’s Day stars.  To answer this ...

(CNN) — Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the ...

The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained — the red giant star “sneezed.” Betelgeuse dimmed in the final few months of 2019, perplexing both professional and ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object ...