Smoke from Canadian wildfires drifted across North America this week, blanketing cities in a thick yellow haze.
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The EPA's Air Quality Index (AQI) measures how safe, unhealthy, or hazardous the air outside is. Here's a guide on how to read the AQI.
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Thomas Edison conducted tens of thousands of experiments in his lab in West Orange, New Jersey. See what a day's work looked like inside.
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A dangerous heat wave is sweeping parts of the US, but many states set their all-time hottest temperature records decades ago.
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FIFA has spent millions of dollars working with turf scientists to engineer 16 stadium pitches across three countries and vastly different climates.
A heat wave across Europe caused record-breaking temperatures, affecting businesses, infrastructure, and daily life.
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Europe's record-breaking June heatwave has once again raised questions about low levels of air conditioning adoption in the continent.
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The Trump administration spent $14.8 million painting the Lincoln Memorial Reflecting Pool an "American Flag Blue." See why the pool is green again.
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Mark Zuckerberg also said the current AI moment has left him feeling a "combination of invigorated and exhausted."
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Commonwealth Fusion Systems is ramping up outreach to creators as it looks to raise awareness of nuclear fusion among Gen Z and Gen Alpha.
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Humans have drilled only 12.3 kilometers into the Earth and haven't gone further despite decades of tech advances. So what's stopping us?
Some items you can recycle in one city may be prohibited in another. Batteries, plastic bags, small appliances, and more may not be allowed.
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Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.
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DARPA's synthetic blood has worked in animal testing. Now, it must overcome regulatory and cost challenges to take it into the next phase.
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The National Hurricane Center chooses storms' names in advance. This year's list of hurricane names includes Arthur, Dolly, Leah, and Wilfred.
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The New Glenn 3 rocket was intended to place a satellite into Earth's orbit, but instead deployed it at an altitude too low to function properly.
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As the military prepares for conflicts in harsher climates, the US Army's Natick Labs invests millions to improve what soldiers wear, eat, and carry.
Hurricanes have only become more dangerous — and expensive — over the last 26 years.
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Here are some of the best highlights and photos from the Artemis II mission that surpassed the distance records set by Apollo 13.
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Since its launch in April 1990, the Hubble Space Telescope has been an invaluable tool for astronomers in unraveling the mysteries of the universe.
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Tech billionaires Elon Musk and Jeff Bezos are advocating for space data centers to scale AI. Scientists say it can get expensive fast.
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Artemis II zoomed past Earth's atmosphere without a hitch. Then came the real challenge: opening Microsoft Outlook.
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NASA successfully launched Artemis II, a 10-day lunar mission, during which four astronauts will do a flyby of the Moon aboard the Orion spacecraft.
NASA's Apollo 8 mission was the first to orbit the moon. No US spacecraft has returned to the moon since 1972, but that's all about to change.
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The aerospace industry is high-stakes. To help chart a course for Perseverance, NASA has enlisted AI and a digital twin.
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Today marks 15 years since the nuclear disaster at Fukushima, Japan. Some parts of the surrounding area are still recovering.
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A powerful blizzard is bringing heavy snow and winds to parts of the Northeast, weeks after Winter Storm Fern swept across much of the US.
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A National Oceanic and Atmospheric Administration weather satellite captured striking photos of the blizzard slamming much of the Northeast.
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Every state except Hawaii has recorded temperatures below zero. The coldest temp, unsurprisingly, was recorded in Alaska.
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Greenland is believed to hold significant deposits of rare-earth elements. Mining them, however, is another story.
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Last year, Musk said "the moon is a distraction." Now, he's talking about building a city there. The shift may be more strategic than it sounds.
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Musk's memo announcing SpaceX and xAI's merger is full of space jargon. Here's your cheat sheet to bring the wonky language back down to Earth.
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Elon Musk's mega-deal combining SpaceX and xAI is the latest sign that the billionaire is consolidating his business empire as he goes all in on AI.
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NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.
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President Donald Trump has made no secret of his desire to acquire Greenland, the world's largest island and an autonomous Danish territory.
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Photos shared by NASA show what life looked like 250 miles above Earth in 2025, including images of hurricanes, the northern lights, and city streets.
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Silicon Valley has a long history with psychedelics, and some of its best-known leaders have tried, like Bill Gates, Sam Altman, and Bryan Johnson.
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Jared Isaacman, an astronaut and high-school dropout-turned-billionaire, has been confirmed as the new head of NASA.
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The most powerful news photos taken by Getty Images photographers in 2025 captured political unrest, natural disasters, and other major news events.
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A look back at 2025, as seen from space. Cameras and instruments on board satellites picked up natural events, human gatherings, and conflict.
Kevin Tang, 13, won first place at the 3M Young Scientist Challenge for his project that uses AI to help detect when a person falls in their home.
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The Senate confirmed Jared Isaacman, an ally of Elon Musk who has flown multiple SpaceX missions, as the new NASA administrator on Wednesday.
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The Nikon Comedy Wildlife Awards recognize the funniest images in wildlife photography. Here are this year's winners.
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National Geographic's annual Pictures of the Year issue features stunning wildlife photos highlighting endangered species and fragile ecosystems.
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The Cheyenne Mountain Complex dates back to the height of the Cold War and was built to withstand Soviet nuclear attacks.
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Miles Wu, 14, said an origami fold could hold over 10,000 times its own weight, the equivalent of a NYC taxi cab holding over 4,000 elephants.
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