Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

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

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

Mercury will be at its most distant point from the sun in Earth’s sky on July 4, making it a good time to spot the planet in the evening sky.

Astronomers believe they have captured an image of a planet in the act of forming, something that has never before been ...

Eyes to the sky for the month of July to see the Buck Moon, two different meteor showers crisscrossing the night, and the waning phases of the Moon appearing near some of the brightest planets in ...

If admiring the heavens is on your summer bucket list, here’s everything to watch for in July’s night sky.

For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Cyril Dupuy, the founder of smart telescope maker Vaonis, has set a new record by capturing Europe's highest-altitude image ...

For decades the reddish glow of Betelgeuse has puzzled astronomers, but researchers believe they have now found the reason ...