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

Scientists observing the red giant star R Doradus have found that starlight isn’t strong enough to drive its stellar winds, ...

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is ...

Read full article: Why is there an abandoned missile base in this remote Florida marsh? Cash Creek at Tate's Hell State Forest Artist's concept of a red giant star and white dwarf orbiting one another ...

Read full article: Why is there an abandoned missile base in this remote Florida marsh? Artist's concept of a red giant star and white dwarf orbiting one another. When the red giant moves behind the ...

A distant red giant star is rippling with seismic vibrations, and for the first time, a NASA spacecraft has translated those subtle pulses into a kind of cosmic song directed at a hidden black hole ...

The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained — the red giant star “sneezed.” Betelgeuse dimmed in the final few months of 2019, perplexing both professional and ...

You live in a galaxy packed with black holes that never announce themselves. They do not blaze in X-rays or glow with stolen gas. They hide. Astronomers find them by watching the stars that dance ...

On the evening of Sunday, Aug. 3, skywatchers will be treated to a close encounter between two of the sky’s brightest nighttime objects. Just after sunset, the waxing crescent moon will appear ...