A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...

As astronomers rush to study a newly discovered comet from beyond our solar system, a powerful new observatory may turn rare ...

As the Moon reaches New, advanced observers can try photographing 3I/ATLAS while everyone can enjoy nebulae and more in the ...

Suppose the galaxy’s oldest secrets were readable not in the glare of faraway stars, but in a brief, cold visitor whizzing ...

The idea of leaving Earth behind to settle among the stars has long been a captivating vision of humanity’s future. But how ...

This comet, first detected on July 1, 2025, by the ATLAS sky survey system, is providing scientists with a rare glimpse into the chemistry and behavior of objects that formed around other stars.

This is only the third interstellar object ever found. The first was 'Oumuamua in 2017, and the second, Borisov, in 2019.