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By Julianna Bragg, CNN (CNN) — A male humpback whale has made an extraordinary journey from South America to Africa — traveling more than…

By Gina Park, CNN (CNN) — It’s that time of the year again. Sky-gazers may get the chance to glimpse some of the dozens of meteors that will…

By Ashley Strickland, CNN (CNN) — A type of bacteria called Deinococcus radiodurans, nicknamed “Conan the Bacterium” for its ability to…

By Rachel Ramirez, CNN (CNN) — Every winter, millions of monarch butterflies journey thousands of miles across North America to spend winters…

By Lex Harvey, CNN (CNN) — Anton van Helden, an expert on some of the world’s rarest whales, was sitting on the couch in July recovering from…

By Ashley Strickland, CNN (CNN) — A mineral trapped within a Martian meteorite that fell to Earth has revealed traces of water on Mars that…

By Ashley Strickland, CNN (CNN) — An enduring mystique surrounds the Voyager 1 and 2 probes. Launched two weeks apart in 1977, the twin probes…

By Mindy Weisberger, CNN (CNN) — Fashion is fickle and styles come and go — even for orcas, apparently. In 1987, a group of killer whales off…

By Jackie Wattles, CNN (CNN) — President-elect Donald Trump’s pick for NASA administrator — tech billionaire and spaceflight trailblazer Jared…

By Alex Rodway, CNN (CNN) — On one of his first trips to study wolves in Ethiopia in the late 1980s, biologist Claudio Sillero observed a…

By Issy Ronald, CNN (CNN) — Ancient ancestors of Native Americans, known as the Clovis people, mostly ate mammoths and other large animals…

By Laura Paddison, CNN (CNN) — Millions of tons of coal ash leftover from burning the planet’s dirtiest fossil fuel are sitting in ponds and…

By Laura Paddison, CNN (CNN) — Last year was the hottest on record, oceans boiled, glaciers melted at alarming rates, and it left scientists…

By Jackie Wattles and Kristin Fisher, CNN (CNN) — NASA’s Artemis program, which aims to return astronauts to the moon this decade amid a…

By Amy Gunia and Hazel Pfeifer, CNN (CNN) — The patient is submerged in an ice bath as an anesthetic for its impending surgery. When sufficient…

By Katie Hunt, CNN (CNN) — Tiny artifacts unearthed at a Wyoming site where a mammoth was butchered 13,000 years ago are revealing intriguing…

By Rosa Rahimi, CNN London (CNN) — The dynamics between predator and prey are laid bare in a striking image of fish being attacked by sharks in…

By Ashley Strickland, CNN (CNN) — NASA engineers have successfully restored contact with Voyager 1 and the spacecraft is operating normally…

By Michelle Cohan, CNN (CNN) — For runners, footwear is one of the most important – and often most expensive – pieces of gear. Experts say…

By Ashley Strickland, CNN (CNN) — The James Webb Space Telescope has captured a surprising new view of a long-studied galactic neighbor, the…

By Jack Bantock and Gisella Deputato, CNN (CNN) — Since the dawn of farming some 10,000 years ago, the health of agriculture has been…

By Katie Hunt, CNN (CNN) — An orca pod in the Pacific Ocean off the coast of Mexico has devised a cunning strategy to hunt and kill whale…

By Katie Hunt, CNN (CNN) — More than 1.5 million years ago, two different species of ancient human crossed paths on a lakeshore, perhaps…

By Tom Page, CNN (CNN) — In a world where the climate is increasingly hot and volatile, farmers are having trouble keeping their crops cool. A…

By Rachel Ramirez, CNN New York (CNN) — Walking around the urban oasis that is Brooklyn’s Green-Wood Cemetery, one wouldn’t expect to find…

By Katie Hunt, CNN (CNN) — The earliest dinosaurs were unremarkable, bit players on a supercontinent crowded with other ancient reptiles when…

CNN By Katie Hunt, CNN (CNN) — The earliest dinosaurs were unremarkable, bit players on a supercontinent crowded with other ancient reptiles…

By Mindy Weisberger, CNN (CNN) — An odd little gourd called the squirting cucumber has an explosive reproductive strategy that has intrigued…

By Ashley Strickland, CNN (CNN) — Researchers have discovered the residues of psychedelic drugs, bodily fluids and alcohol inside a…

By Jackie Wattles, CNN (CNN) — Russian cosmonauts on the International Space Station were forced to briefly lock down a segment of the orbiting…