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

Orion, Pleiades, and Hyades may be stages of one star system’s life, revealing how star clusters form and change.

All month long, the Eagle constellation Aquila will be visible in the eastern part of the sky during the first half of the night. The constellation's brightest star — Altair — can be found in the ...

Sirius is special, not so much that it is at the top of the list of the 21 brightest stars in the sky, but it also out-dazzles its nearest competitor, Canopus, the second brightest star by 0.8 of ...