New images show an interstellar comet that will soon make its closest approach to Earth

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Voyager 1 will reach one light-day from Earth in 2026. Here’s what that means

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

Scientists document over 16,000 footprints in the world’s most extensive dinosaur tracksite

Theropods once trekked along a “dinosaur freeway” that stretched across a shoreline in what is now Bolivia, according to a new study.

Mysterious deepwater sharks, killed to make cosmetics, are granted new trade protections in ‘watershed moment’

With their bright green eyes and slender bodies, gulper sharks are odd-looking, prehistoric creatures that have been around for millions of years. Found worldwide in waters from 200 to 1,500 meters ...

Mystery foot fossil may shake up human family tree

A foot fossil found in Ethiopia belonged to an ancient human. The finding could knock one of the most famous names in human evolution from her spot on the family tree.

Where did house cats come from? Ancient DNA shakes up their origin story

A Europe-focused study published in the journal Science examined 87 ancient and modern cat genomes and found that the domestic cat, which has the scientific name Felis catus, originated in North ...
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A rare Archaeopteryx fossil was kept from scientists for decades. Its first-ever analysis reveals ‘one wow after another’

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Scientists explore the anatomy of a ‘zombie volcano’ that’s showing signs of activity

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These apes can tell when humans don’t know something, study finds

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NASA acting head asks staff to take ‘inspiration’ from DOGE efforts as lawmakers cite Musk’s conflict of interest

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‘No legitimate rationale’: Lawmakers raise concerns over what NASA won’t say about DOGE

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Blue Ghost lunar lander is documenting its journey to the moon. The views are breathtaking

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Blue Ghost ...