Some dolphins appear to have orca friends. Scientists think they have figured out what’s going on

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

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.

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 ...
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Ancient ‘terror birds’ were giant apex predators. Suspected new species is among the largest ever known

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

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.
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‘It became a lifestyle’: Man describes injecting himself with snake venom

Tim Friede, a self-taught snake expert from California, injected himself with snake venom more than 650 times over the course of nearly two decades. Now, experts hope his experiments and blood can ...
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These apes can tell when humans don’t know something, study finds

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some great apes ...
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NASA acting head asks staff to take ‘inspiration’ from DOGE efforts as lawmakers cite Musk’s conflict of interest

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Friday ...
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‘No legitimate rationale’: Lawmakers raise concerns over what NASA won’t say about DOGE

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some House ...
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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 ...
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Blue Ghost lander captured a solar eclipse while on the moon. See the stunning imagery here

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