What makes the star remarkable is its location. Siwarha appears to orbit so close that it never leaves Betelgeuse’s ...

When Betelgeuse finally collapses, the star – currently a red supergiant – will likely shine as brightly as the Moon in the ...

Something strange happened that made scientists question the influence of companion star Siwarha on Betelgeuse's surrounding ...

NASA’s Hubble data shows a wake of dense gas around Betelgeuse, offering the clearest proof yet of a long-suspected companion ...

Ignoring interference from the occasional dusty sneeze, Betelgeuse's light seems to vary according to two distinct cycles.

The bizarre dimming patterns of Betelgeuse, an enormous red supergiant star in the constellation Orion, have bewildered ...

Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of ...

In a groundbreaking revelation, astronomers utilizing NASA’s Hubble Space Telescope have uncovered the influence of a newly identified companion star, Siwarha, on the gas surrounding the iconic red ...

For decades, astronomers have tracked changes in its brightness and surface features in hopes of figuring out why the star ...

Betelgeuse’s long-standing mystery has been cracked: a hidden companion star is literally reshaping the giant from the inside out.

Its famous dimming event from a few years ago turns out to be evidence of a recent explosion rather than an imminent supernova. Eric Mack has been a CNET contributor since 2011. Eric and his family ...