Comet Lemmon, which was last in the inner solar system in 875, is not expected to return until around 3175, making its next ...

Tonight, the sky will light up with a rare spectacle. Two bright green comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

As global warming continues to reshape Earth's climate, both the occurrence and mechanisms of extreme precipitation events, ...

The practice of daylight saving time in the U.S. began over a century ago. This year's time change is now just days away.

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Earth' orbiting within its star's habitable zone, just 20 light-years from Earth, could host extraterrestrial life.

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.