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

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

A new study led by Harvard & Smithsonian’s Center for Astrophysics has uncovered direct evidence of a long-suspected ...

A multi-observatory study led by the Center for Astrophysics | Harvard & Smithsonian has characterized the impact of a newly ...

Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence ...

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

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 ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s atmosphere. Signs of the smaller star’s trail around the red supergiant are the best ...

Using new observations from NASA's Hubble Space Telescope and ground-based observatories, astronomers have tracked the ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

PRO TIP: Add your old phone for a handy size reference.