For the past few days, the interstellar comet 3I/ATLAS has been displaying a blue-green gas coma measuring 2.5 arcminutes ...

This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

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I/ATLAS is notable for being only the third confirmed interstellar comet to pass through our solar system. Unlike typical comets that are gravitationally bound to the sun, 3I/ATLAS follows a ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

For year-round lighting that you can change to the go-to orange or purple for Halloween, this set is perfect. This 200-foot ...

I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) at a distance of 675 million ...

Solar string light bulbs can range from 5 to over 100 lumens per bulb. Buyers often choose solar lights for their glowy ...

The anti-tail of 3I/ATLAS is particularly noteworthy because it is evident despite a less-than-ideal viewing angle, with the line of sight misaligned by only 10 degrees. This geometric factor suggests ...