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By Laura Paddison, CNN (CNN) — On one day in late April, something very unusual happened. Every single one of the planet’s top 50 hottest cities was in just one country: India. This is according to data compiled by AQI, the air quality monitoring platform. There is “no modern precedent,” AQI said on its website.

By Jacopo Prisco, CNN (CNN) — Scientists have named a newly identified species of wasp after David Attenborough to honor the legendary naturalist and broadcaster’s 100th birthday. The wasp, called Attenboroughnculus tau, had been sitting in the collection of London’s Natural History Museum since 1983 after its discovery in southern Chile’s Valdivia province. It’s not

By Katie Hunt, CNN (CNN) — Scientists have announced the results of a decade-long quest to measure Newton’s gravitational constant, the force that keeps our feet on the ground and holds planets in orbit. The pursuit was more or less a bust. The most ambitious effort to date to pin down the fundamental constant, which

By Ella Nilsen, CNN (CNN) — The Trump administration is doubling down on efforts to delay the buildout of wind energy, this time focusing on land-based wind projects, according to a clean energy trade group. Citing national security risks to US military readiness, the Pentagon is slow-walking the reviews of 165 land-based wind projects, according

By Ella Nilsen, Sam Hart, CNN (CNN) — The world’s second-tallest tsunami wave on record tore through the remote Tracy Arm fjord in Alaska last August, leaving immense destruction in its wake. Luckily, there were no people nearby. But in its aftermath, scientists immediately went to work, piecing together what happens when a mountainside collapse

By Laura Paddison, CNN (CNN) — Mexico City is sinking at such an alarming rate that it’s visible from the space. Imagery from a powerful NASA radar system is revealing subsidence rates of more than 0.5 inches a month — making the city one of the planet’s fasting-sinking capitals. The sprawling metropolis, also one of

By Avni Trivedi, CNN (CNN) — Early birds are in for a celestial treat this week as activity from the Eta Aquariid meteor shower heats up — but they’ll need to keep sharp eyes on the sky. The shower will peak between Tuesday and Wednesday, with prime views before daybreak on Wednesday, according to the

By Laura Paddison, CNN (CNN) — Out in the Pacific Ocean, between Hawaii and California, is the Great Pacific Garbage Patch, a swirl of plastic trash more than twice the size of Texas. As pieces of plastic tumble against each other, they break down into particles tiny enough to be borne aloft on the wind.

By Ashley Strickland, CNN (CNN) — Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into when and where the celestial object formed. The comet, named 3I/ATLAS, gained global attention when researchers first discovered it zipping through our solar system in July. It’s only the third

By Amarachi Orie, CNN (CNN) — Human children often copy their friends’ preferences for toys or clothes, while adults are prone to jumping on popular diets or lifestyle trends. Now it turns out that this sort of imitation is not unique to our species, as wild parrots learn to try new foods by copying their

By Avni Trivedi, CNN (CNN) — Sky-gazers will be in for a treat this month with two full moons gracing the sky. The first, which has the nickname the flower moon, will peak at 1:23 p.m. ET Friday. However, it will appear full Thursday night, Friday and Saturday, according to EarthSky. It will rise low

By Ella Nilsen, CNN (CNN) — A Massachusetts-based fusion company took another step this week in its race to become the first to get the same power fueling the sun and stars onto the US electrical grid. Commonwealth Fusion Systems is currently building a donut-shaped machine called a tokamak — a chamber where atoms are

By Laura Paddison, CNN (CNN) — The moringa tree, known as the “miracle tree”, is one of the most nutrient-dense plants on the planet and is prized for its healing qualities. It also has another huge benefit, according to new research: it’s excellent at removing microplastics from water. A team of scientists from Brazil and

By Katie Hunt, CNN (CNN) — “Terrain ahead. Pull up!” It’s a command that should only be heard in a disaster movie or flight simulator. But pilots and aviation experts say such warnings have been increasingly sparking alarm in cockpits as bogus signals from global positioning satellites hit commercial flights. The disruption of GPS signals

By Ashley Strickland, CNN (CNN) — Voyager 1, the farthest spacecraft from our planet, has powered down another science instrument as it explores uncharted interstellar space — a move that could buy time for an ambitious attempt to extend the probe’s impressive lifespan. NASA sent a command on April 17 to deactivate the spacecraft’s Low-energy

By Laura Paddison, CNN (CNN) — Six of the world’s biggest fossil fuel companies are on track to make almost $3,000 in profits every single second this year, according to a new report, as households across the world grapple with soaring energy prices and inflation, which are driving a cost-of-living crisis. Chevron, Shell, BP, ConocoPhillips,

By Stefano Pozzebon, Avery Schmitz, Abigail Watts, Jhasua Razo, CNN BOGOTÁ, COLOMBIA (CNN) — It took 20 minutes for decades of family memories to be reduced to smoke and ash. Claudia Matamala, 34, broke down in tears recounting how flames engulfed her parents’ home in the port town of Lirquén in central Chile, where she