"Meteorites provide the cheapest form of space exploration. They transport us back in time, providing clues to the age, ...

NASA’s Perseverance rover has spent years combing Jezero Crater for traces of ancient water and potential biosignatures, but ...

It was a simple, sunny afternoon on Canada’s Prince Edward Island as Joe Velaidum and his partner, Laura Kelly, set off to walk their dog. Noticing a stray leash lying in the yard, Velaidum briefly ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. It was a simple ...