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

A partial solar eclipse on March 29 will be visible from parts of North America. Here's how to safely view the cosmic event, ...

"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 ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Venus will be visible in the morning and evening for a short period of time - a rare dual visibility that won't happen again ...

"Equinox" translates to "equal night" but most places in the Northern Hemisphere will see more than 12 hours of daylight for ...

Blue Ghost completed 14 days of surface operations, deploying its various payloads and transmitting more than 119 gigabytes ...

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA ...

Between March 18 and 21, Venus, the brightest planet in our solar system, will have a rare dual visibility — visible in both ...

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

Exactly two weeks after the "blood moon" total lunar eclipse comes a partial solar eclipse visible to some in North America.

The Earth moved directly between the sun and the moon on Thursday night, casting a shadow over the moon. Remember that the ...