For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion." When you purchase ...

Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and ...

When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star of Bethlehem, he wrote that it should be “classified with the comets which ...

It used to be said that you could test your eyesight by counting the number of stars visible to the unaided eye. The best nights to try this are around January 19 when the Moon is new ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

The "Star" of Bethlehem's identity remains a mystery, captivating astronomers and believers alike with theories of rare celestial events and their symbolic power ...

A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of ...

Illinois residents may be able to catch a peek of the first full moon of 2026 tonight. Here's when to venture outside.

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

There is growing controversy over recent evidence suggesting that a mysterious force known as dark energy might be changing ...

A spectacular supermoon and the first meteor shower of the new year will soon appear in the California night sky. The ...