Looking for a sky event this week? Check out our full Sky This Week column. January 21: Ganymede and its shadow transit ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star ...

Stratford Astronomical Society meet tomorrow (Tuesday) for the first time this year - while member Adrian Wakeham says what’s ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

What you won’t see, though, are green ones. The reason for this is both a fault in the stars and in ourselves: we don’t see them as green because of the way stars emit light and the way our eyes see ...

Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner rather than later. That's because it's a red supergiant on the verge of becoming a supernova and there hasn't been ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

ADELBODEN, Switzerland (AP) — Swiss ski star Marco Odermatt was well set Saturday to win his nation’s signature World Cup giant slalom race for a record fifth straight year. Odermatt raced through ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's concept shows the red supergiant star Betelgeuse and an orbiting companion star. The companion, which is orbiting ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have uncovered direct evidence that the red supergiant Betelgeuse is being shaped by a small, long-suspected companion star. Using ...