"The speed at which this doomed stellar system is lurching wildly, likely due to the extreme brightness, is a frantic sign of ...

The nights following Sept. 12 are a great time to observe the shifting play of light over the vast Montes Apenninus mountain ...

Astronomers have uncovered the violent secret of V Sagittae, a white dwarf star consuming its companion in a spectacular ...

Three celestial bodies are about to meet up for one night in September in a conjunction that should be widely visible in the ...

July 2025 might be considered a "slack month" so far as planet viewing is concerned. In the evening sky, Mercury is available during the evening — though with some difficulty — low in the ...

A rare stellar eruption called a recurrent nova is expected to occur in the Northern Crown constellation, offering ...

If you were to ask most people to name the brightest star in the night sky, chances are they'd confidently say, "the North Star." It's a common assumption, and it makes sense when you consider how ...

The 51st season of the Snowmass Rodeo came to a close on Wednesday with the final event of 2025.

Bright green streak illuminated the night skies over parts of Midwest. Many shared videos of the phenomenon, which they ...