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By Jacopo Prisco, CNN (CNN) — An asteroid roughly the size of one to two school buses will fly by Earth Monday, coming as close as 91,593 kilometers (56,913 miles), according to the European Space Agency — equivalent to about one quarter of the distance between Earth and the moon. Astronomers at the Mount Lemmon

By Amarachi Orie, CNN (CNN) — The discovery of some bones at the edge of a pond in Thailand a decade ago has led to the identification of a new type of dinosaur, with a massive size, long neck and tail, and a plant diet. Named “Nagatitan chaiyaphumensis” by researchers in Thailand and London, the

By Katie Hunt, CNN (CNN) — A prehistoric human known as Homo erectus was the first of our forerunners to leave Africa, crossing continents and ultimately roaming the planet for almost 2 million years. But with scarce genetic material available to study, the species remains a major mystery in human origins. Now, scientists have retrieved

By Ashley Strickland, CNN (CNN) — An unusual tooth found in a cave offers a rare glimpse into a surprising procedure prehistoric humans might have performed to fix a cavity 59,000 years ago. Researchers uncovered the lower molar of an adult Neanderthal in Chagryskaya Cave in what’s now Russia, located in southwestern Siberia’s Altai Mountains,

By Jacopo Prisco, CNN (CNN) — Sub-Saharan Africa could split up in a few million years, and scientists believe they might be witnessing the early stages of this geological process. The split would occur along the Kafue Rift, which is part of a roughly 1,500-mile-long (2,500-kilometer) rift line spanning from Tanzania to Namibia. A rift

By Laura Paddison, CNN (CNN) — Cuba is struggling with devastating nationwide blackouts as the United States’ effective oil blockade strangles fuel supplies. But this crisis may also be accelerating a China-backed clean energy revolution that’s been quietly unfolding in the Caribbean nation. Cuba is currently pulling off one of the fastest solar revolutions on

By Ashley Strickland, CNN (CNN) — Researchers have identified the remains of four members of a doomed 19th century expedition in the Arctic by matching DNA to the sailors’ living descendants — and solved a case of mistaken identity along the way. The four sailors were part of Sir John Franklin’s 1845 expedition to find

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