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By Julianna Bragg, CNN (CNN) — For many people, prime numbers have faded into the background since distant grade school days. However, for Luke Durant, a 36-year-old former Nvidia programmer, prime numbers became an all-consuming passion. He devoted nearly one year and invested a considerable sum of his own money to uncover the world’s largest

By Ashley Strickland, CNN (CNN) — The 47-year-old Voyager 1 spacecraft is back in touch with NASA — but not out of the woods — after a technical issue caused a days-long communications blackout with the historic mission, which is billions of miles away in interstellar space. Voyager 1 is now using a radio transmitter

By Taylor Nicioli, CNN (CNN) — The oldest known surviving tombstone in the United States is an elaborate display of wealth — an intricately carved slab of black limestone initially laid in the floor of the second church of Jamestown, Virginia, the first permanent British settlement in North America. Often referred to as the “Knight’s Tombstone” due

By Ashley Strickland, CNN (CNN) — The Perseverance rover spotted a quick glimpse of a cosmic “googly eye” on Mars during a recent solar eclipse. As Phobos, one of Mars’ two moons, passed in front of the sun, it cast a lumpy, potato-shaped shadow on the sun’s face as well as on the Martian surface.

By Ashley Strickland, CNN (CNN) — Well-preserved bones recovered from an English shipwreck are shedding light on what life was like for the crew of the ill-fated Mary Rose — and offering surprising insights about changes in bone chemistry that could benefit modern medical research. The Mary Rose was one of the largest warships of

By Ashley Strickland, CNN (CNN) — When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese astronomers recorded it as a “guest star” in the Cassiopeia constellation. Now, astronomers using the Keck Cosmic Web Imager, or KCWI, at the W. M. Keck

By Taylor Nicioli, CNN (CNN) — A comet nicknamed the “Halloween comet” disintegrated on Monday during its closest approach of the sun, and the European Space Agency and NASA’s Solar and Heliospheric Observatory mission captured footage of its final moments. Astronomers first discovered Comet C/2024 S1 (ATLAS) on September 27 via an Asteroid Terrestrial-impact Last Alert

By Katie Hunt, CNN (CNN) — A shimmering ancient fossil unearthed in New York state looks like a piece of finely crafted jewelry, but it’s also a portal into the natural world 450 million years ago. The striking fossil is a newly identified species of arthropod, a distant relative of modern-day horseshoe crabs, scorpions, and

By Katie Hunt, CNN (CNN) — Louisiana students Ne’Kiya Jackson and Calcea Johnson wowed their teachers in 2022 when they discovered a new way to prove the 2000-year-old Pythagorean theorem in response to a bonus question in a high school math contest. But that was only the beginning. A volunteer at their former school, New

By Kathleen Magramo, CNN (CNN) — Water was already up to his knees, but 22-year-old Kierwen Garlan’s first thought was how to help his neighbors, as their homes were filling with floodwater and being lashed by heavy rain. Tropical Storm Trami, known locally as Kristine, swept across the northeastern Philippines last week, inundating entire towns

By Jackie Wattles, CNN (CNN) — Greetings, earthlings! I’m Jackie Wattles, and I’m thrilled to be a new name bringing awe to your inbox. I’ve covered space exploration for nearly a decade at CNN, and there has never been a more exciting time to follow space and science discoveries. As researchers push forward to explore

By Jackie Wattles, CNN (CNN) — Three NASA astronauts and one Russian cosmonaut were unexpectedly transferred to a medical facility in Florida rather than immediately returning to their home base in Houston after their splashdown early Friday morning aboard a SpaceX Crew Dragon capsule. One of those astronauts stayed at Ascension Sacred Heart Pensacola Friday

By Taylor Nicioli, CNN (CNN) — When dinosaurs roamed Earth, their surroundings looked very different than the world of today. But there were also some similarities. And now scientists have confirmed a new one: Diverse firefly species lit up the night during the late Mesozoic. The discovery comes from a fossil of an ancient firefly species

By Jackie Wattles, CNN (CNN) — The two test pilots for the inaugural crewed flight of Boeing’s Starliner spacecraft — NASA’s Suni Williams and Butch Wilmore — left Earth for the International Space Station under the impression their trip would last only about one week. Months later, after determining that the technical issues the Starliner

By Ashley Strickland, CNN (CNN) — The powerful Euclid telescope has captured millions of stars and galaxies in a dazzling new mosaic — and it represents just the first piece of a massive puzzle the observatory has been designed to solve. The European Space Agency mission, launched in July 2023, will create the largest and

By Katie Hunt, CNN (CNN) — Lost for centuries, two cities lay buried, nearly 5 kilometers (3 miles) apart, underneath grassy pastures in the mountains of Uzbekistan. Now, archaeologists for the first time have mapped these intriguing highland strongholds in the country’s southeast — once a key crossroad of ancient silk trade routes — that

By Issy Ronald, CNN (CNN) — Scientists have scoured the depths of the ocean and outer space for microbes to help slow global warming. They’re now looking at a new and unlikely place —  inside your home. A group called the Two Frontiers Project (2FP) — funded by biotech company Seed Health — is asking people in