The stellar companion may help explain why the brightness of Betelgeuse, the red supergiant, is open to so much variation.

Scientists have issued a concerning update on a mystery interstellar object travelling through our solar system.

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Earlier this year, astronomers reported possible evidence of life on another planet – but new observations from JWST suggest the apparent biosignature isn’t there after all ...