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Diving lizard’s built-in ‘scuba tank’ allows it to breathe underwater, scientists say
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...
SpaceX Polaris Dawn crew returns home after history-making mission
Earth orbit that included the world’s first commercial spacewalk as it aims to splash down off Florida’s coast.
‘A giant leap’: Why a tech billionaire’s climb outside a spacecraft was so historic
The SpaceX Polaris Dawn mission may wind down this weekend. Here are all the ways its crew of four citizen astronauts has ...
The search for the origin of Stonehenge’s mysterious Altar Stone intensifies
As the quest to find the origins of Stonehenge’s Altar Stone heats up, researchers rule out one Scottish site that appeared ...
47-year-old Voyager 1 spacecraft just fired up thrusters it hasn’t used in decades
Engineers have mitigated an issue with Voyager 1’s thrusters, enabling the mission to stay in touch with mission controllers on Earth and send back unique data.
Boeing Starliner astronaut: ‘We found some things that we just could not get comfortable with’
NASA astronauts Suni Williams and Butch Wilmore, who served on Boeing’s Starliner crewed test flight, reflects on the ...
Puzzling fossil discovery could reveal why Neanderthals disappeared
This week, uncover why Neanderthals may have disappeared, see an eel escape a predator’s stomach, explore an ancient ...
Physics breakthrough brings nuclear clock closer to reality
A recent breakthrough has paved the way for timekeeping even more precise than the measurements performed by atomic clocks.
New evidence upends contentious Easter Island theory, scientists say
Scientists turn to ancient DNA to understand the history of Easter Island, a remote island in the Pacific Ocean also known as ...
Ancient asteroid 20 times larger than the one that wiped out the dinosaurs likely hit Jupiter’s moon Ganymede
A new study revealed that a massive asteroid may have hit Jupiter’s moon Ganymede about 4 billion years ago, shifting the ...
Full harvest supermoon will also create a partial lunar eclipse
The full harvest supermoon will shine brightly in the night sky Tuesday evening. A partial lunar eclipse, with a “bite” taken ...
The Great Dying once wiped out 90% of life on Earth. A new theory may explain why
Mega El Niños could have intensified the world’s most devastating mass extinction, which ended the Permian Period 252 million ...