Betelgeuse, the red supergiant that marks Orion’s shoulder, has entered its dimmest phase in recorded history, sparking ...

The star is Betelgeuse, a red supergiant in the constellation Orion. The asteroid is 319 Leona, a slowly rotating, oblong space rock in the main asteroid belt between Mars and Jupiter.

Betelgeuse dimmed dramatically, prompting theories of an impending supernova. Instead, astronomers uncovered an even stranger reality: the star’s baffling 20-year rotation cycle. For a star of its ...

Betelgeuse is a variable star known for regular oscillations between brighter and dimmer periods. For more than 100 years, astronomers have observed Betelgeuse lighten up every 400 days, ...

Although Betelgeuse is a variable star, the great dimming in 2021 was extreme. Within months, it had in fact dimmed by about 60%. This was eventually shown to be caused by a cloud.

Betelgeuse is undoubtedly a red giant star that has already burned through its primary fuel hydrogen and is now fusing helium in its core into heavier elements.

The red supergiant Betelgeuse, a colossal star in the Orion constellation, experienced a massive stellar eruption in 2019, the likes of which have never been seen, according to astronomers. The ...

Betelgeuse (pronounced like the Tim Burton character Beetlejuice) is a relatively young star in the Earth's backyard, located in the Milky Way about 640 light-years away.

Betelgeuse is a 10-million-year-old star (a far cry from our Sun’s 5-billion-odd years) located some 642 light-years from Earth that’s especially bright in the night sky.

Betelgeuse—the star and not the slimy, suit-wearing demon—is one of the most celebrated celestial objects in the night sky. Found in the constellation Orion, Betelgeuse is extremely bright ...

Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests.