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

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 best ...

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 ...

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 ...