Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence of a recently discovered companion star, Siwarha, on the gas around ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. This artist’s concept shows ...

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 ...

When Betelgeuse finally collapses, the star – currently a red supergiant – will likely shine as brightly as the Moon in the sky for about two weeks, and be visible during the daytime for 6-12 months ...

Astronomers have used NASA's Hubble Space Telescope to find new clues that a companion star is to blame for Betelgeuse's strange behavior. - NASA / ESA / Elizabeth Wheatley illustration For more than ...

The bizarre dimming patterns of Betelgeuse, an enormous red supergiant star in the constellation Orion, have bewildered astronomers for decades. Now, researchers are closer than ever to proving that a ...

This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object's atmosphere. - Elizabeth Wheatley/ESA/NASA Astronomers have long ...

For more than a century, Betelgeuse has looked like a star with a secret. It swells and fades on a six-year rhythm that never quite made sense. The star, about 650 light-years away in space, is old, ...