Some super-smart dogs can pick up new words just by eavesdropping

Toddlers can pick up new words just by overhearing conversations. Now, new research suggests that some intelligent dogs can expand their vocabulary in just the same way.

NASA could be weeks away from its biggest test in decades

The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture beyond near-Earth orbit since 1972.
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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 ...

Gold is escaping from Earth’s core and other wild things we learned about the planet in 2025

With findings on Earth’s polar extremes and its innermost core, scientists shaped how we look at the planet in 2025 in surprising and fascinating ways.

‘Extraordinary’ Iron Age war trumpet uncovered in England

An almost complete battle trumpet dating back around 2,000 years to the Iron Age has been unearthed by in England.
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Voyager 2 shuts down science experiment as power stores dwindle

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

Aiming for a healthier year? A doctor shares the 5 science-backed habits that matter most

Improving health is a common goal for many people in the new year, but where to start? Dr. Leana Wen explains five science-backed actions you can take right now.
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Scientists solve centuries-old mystery of how a cucumber explosively squirts its seeds

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An odd little gourd ...
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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 ...