Recent observations of Betelgeuse, a star located in the constellation Orion ... This is because when stars "puff out" and expand during their red giant phase, the conservation of angular momentum ...

Whenever you gaze upon the stars and constellations it’s easy to forget you’re seeing a three-dimensional picture. The ...

Whenever you gaze upon the stars and constellations, it is easy to forget you are seeing a three-dimensional picture over ...

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

Step back to take in the big picture. The giant’s asterism is a quadrangle delineated by four corner stars, which are, clockwise from top left, Betelgeuse, Bellatrix, Rigel and Saiph.

Betelgeuse, the left “shoulder” of Orion, has always been a star of intrigue. Look at it long enough (and we mean generations-long), and you’ll notice its strange pattern: dimming and ...

Whenever you gaze upon the stars and constellations, it’s easy to forget you’re seeing a three-dimensional picture over ...