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By Marlowe Starling, CNN (CNN) — Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The expedition revealed methane-producing microbes and marine invertebrates that make their home in unforgiving conditions where the sun’s rays don’t reach, according

By Taylor Nicioli, CNN (CNN) — The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient viruses that embedded themselves into our genetic code over the course

By Jackie Wattles, Ashley Strickland, CNN (CNN) — Famed NASA astronaut Jim Lovell, who commanded the harrowing Apollo 13 mission that was forced to abandon a lunar landing attempt in 1970, has died. He was 97. Lovell died on August 7 in Lake Forest, Illinois, according to a NASA news release. The cause of death

By Ashley Strickland, CNN (CNN) — There’s a giant blob of incredibly hot rock beneath New Hampshire — and it may be part of the reason the Appalachian Mountains are still standing tall, according to new research. It has, however, been slowly moving and is on course for New York in the next 15 million

By Ella Nilsen, Andrew Freedman, CNN (CNN) — Dozens of veteran climate scientists are launching a coordinated response to a Trump administration report that casts doubt on the severity of climate change. The report, released last week alongside proposals to deregulate some polluting sectors, was authored by five researchers well-known for sowing doubt over the

By Ashley Strickland, CNN (CNN) — A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet named 3I/ATLAS, which came from beyond our solar system, on July 21 when the object

By Gina Park, CNN (CNN) — Sky-gazers can catch a glimpse of the full moon at its peak illumination this week. August’s full moon, also called the sturgeon moon, will be visible from Friday night into the early hours of Saturday. It will be at its fullest around 3:55 a.m. ET Saturday, according to EarthSky.

By Ashley Strickland, CNN (CNN) — Archaeologists have uncovered primitive sharp-edged stone tools on the Indonesian island of Sulawesi, adding another piece to an evolutionary puzzle involving mysterious ancient humans who lived in a region known as Wallacea. Located beyond mainland Southeast Asia, Wallacea includes a group of islands between Asia and Australia, among which

By Ella Nilsen, CNN (CNN) — Energy Sec. Chris Wright said Tuesday night the Trump administration is updating the National Climate Assessments that have been previously published, which the administration recently removed from government websites. “We’re reviewing them, and we will come out with updated reports on those and with comments on those reports,” Wright

By Jackie Wattles, CNN (CNN) — Firefly Aerospace, the first private company to successfully land upright on the moon, is set to make another high-stakes foray — this time into the stock market. Firefly’s stock will begin trading on the Nasdaq Thursday morning under the ticker symbol “FLY.” Founded in 2017 by ex-SpaceX engineer Tom

By Jessie Yeung, CNN (CNN) — Parts of Australia’s iconic Great Barrier Reef, famed for its stunning colors and biodiversity, suffered the biggest decline of coral on record last year after a marine heatwave bleached vast swathes of hard coral, a new report has found. The reef had its worst summer on record in 2024

By Taylor Nicioli, CNN (CNN) — Research vessel Blue Heron trawls the Great Lakes, gathering data from the water. The floating laboratory’s most recent discovery, however, came from an unexpected location: its own rudder. While docked after a long cruise to study algae blooms in lakes Erie and Superior in September, the crew noticed a

By Ashley Strickland, CNN (CNN) — The humble modern-day potato, first domesticated about 10,000 years ago, got its start in the Andes mountains before becoming a key crop the world depends on. But because plants don’t preserve well in the fossil record, its lineage has remained largely a mystery. Now, a team of evolutionary biologists

By Laura Paddison, CNN (CNN) — Iran’s capital Tehran could be weeks away from “day zero,” experts say — the day when taps run dry for large parts of the city — as the country suffers a severe water crisis. Key reservoirs are shrinking, authorities are scrambling to reduce water consumption and residents are desperately

By Ella Nilsen, CNN (CNN) — President Donald Trump came into office promising to lower energy and electricity costs. But with the cost of electricity rising, congressional Democrats and left-leaning groups see an opening to go on the offense ahead of the 2026 midterm elections. A Wednesday letter led by Democratic Sen. Elizabeth Warren of