T his time last year, astrophiles were gearing up for a "once-in-a-lifetime" spectacle—only it never happened. The celestial ...

In what’s being billed as a once-in-a-lifetime astronomical event, a star in the Corona Borealis constellation could explode ...

This phenomenon, known as a 'planetary parade' is a rare sight, and it will be the last time seven planets can be seen simultaneously so well until 2040. The best chance to see as many planets as ...

"Chicagohenge" is when the sun lines up with our beautiful skyline, beaming down between the skyscrapers in the heart of the Loop. This happens on the first day of spring, which was Thursday, and ...

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

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The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky to the morning sky.