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By Nell Lewis, CNN (CNN) — Pygmy seahorses, about the size of a fingernail, are some of the smallest vertebrates in the world. First discovered in 1969, little was known about the creatures. But in the early 2000s, British marine biologist Richard Smith decided to focus his PhD research on Denise’s pygmy seahorse, a species

By Ella Nilsen, CNN (CNN) — As the winds die down and firefighters seize control of the deadly infernos that have scorched more than 60 square miles, Los Angeles faces an unimaginable task before anyone can rebuild: Cleaning up the toxic, smoldering remains. More than 12,000 structures have been destroyed, many of them homes and

By Jackie Wattles, CNN (CNN) — Blue Origin, the rocket company Amazon billionaire Jeff Bezos founded, notched one of the most substantial successes in its history on Thursday: sending a rocket to orbit. The debut flight of New Glenn, the company’s first rocket powerful enough to launch satellites to space, took off after 2 a.m.

By Jackie Wattles, CNN (CNN) — SpaceX has turned heads and tested boundaries with each test flight of Starship, the most powerful rocket system ever constructed. And the latest mission of the nearly 400-foot-tall (121-meter) vehicle is designed to push the envelope even further in a quest to return astronauts to the moon and someday

By Angela Fritz, CNN (CNN) — The fires that have ravaged Los Angeles over the past week were larger and burned hotter than they would have in a world without planet-warming fossil fuel pollution, a new analysis suggests. Climate change could be blamed for around 25% of the fuel available for the fires, according to

By Jackie Wattles, CNN (CNN) — A SpaceX Falcon 9 rocket blared toward space Wednesday carrying a pair of lunar landers on a journey to our closest celestial neighbor — kicking off what’s expected to be a bustling year of moon missions amid a renewed race to establish a long-term human presence on the lunar

CNN By Jackie Wattles, CNN (CNN) — A SpaceX Falcon 9 rocket blared toward space Wednesday carrying a pair of lunar landers on a journey to our closest celestial neighbor — kicking off what’s expected to be a bustling year of moon missions amid a renewed race to establish a long-term human presence on the

By Jackie Wattles, CNN (CNN) — The past few years have marked the advent of a new lunar space race, with a fleet of robotic spacecraft from various countries trying — and mostly failing — to reach the moon and carry out their intended missions. But 2025 may offer a second chance for the companies

By Ashley Strickland, CNN (CNN) — Keep an eye on the sky Monday evening to see the wolf moon, the first full moon of the year. And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears to pass in front of Mars. The full moon will be at peak

By Issy Ronald, CNN London (CNN) — Environmental activists in the UK painted Charles Darwin’s grave in Westminster Abbey on Monday with the words “1.5 is dead,” referencing the critical climate threshold that the world temporarily passed in 2024. The two Just Stop Oil activists entered London’s Westminster Abbey, where Darwin is buried alongside some

By Jacopo Prisco and Evan John, CNN (CNN) — Japan’s population is the oldest in the world, with a third aged over 65, and one in 10 aged over 80, due to a combination of low fertility rates and high life expectancy. This has a direct effect on its working-age population — the share of

By Jackie Wattles, CNN (CNN) — Blue Origin, the rocket company founded by Jeff Bezos in 2000, has called off a second attempt to launch its 30-story New Glenn rocket. The vehicle had been slated to get off the ground early Monday, but the company waved off that plan so engineers could work to address

By Ashley Strickland, CNN (CNN) — One of the best ways to assemble the puzzle pieces of Earth’s past is hiding deep beneath its white polar sheets: ice cores. These frozen time capsules preserve air bubbles from thousands of years ago, painting a picture of climate and environmental conditions at the time to reveal how

By Ashley Strickland, CNN (CNN) — An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years. The sample extended so deep that it reached the bedrock beneath the Antarctic Ice Sheet. The core, nearly as long as 25 soccer fields end to end

By Ella Nilsen, CNN (CNN) — Hardening a home against wildfires doesn’t need to take thousands of dollars for a fire-resistant roof or siding, a California wildfire expert told CNN. “It can be the smallest changes” that are simple and inexpensive, said Lenya Quinn-Davidson, a fire advisor and the Director of University of California Agriculture

By Ashley Strickland, CNN (CNN) — For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and Charon briefly came together billions of years ago in a newly discovered “kiss and capture” collision. Scientists

By Mary Gilbert and Angela Fritz, CNN (CNN) — Southern California was under water less than a year ago. A siege of torrential rain from atmospheric rivers started in December and reached a crescendo in early February when nearly a foot fell in Los Angeles. It was a deadly winter of storms that flooded roads,

By Julianna Bragg, CNN (CNN) — Scientists have unearthed nearly 200 dinosaur footprints, dating back 166 million years to the Middle Jurassic Period, at Dewars Farm Quarry in Oxfordshire, England. The remarkable find, first spied in 2023 when quarry worker Gary Johnson sensed “unusual bumps” on the ground while extracting limestone for road construction, has