
Colombia will euthanize Pablo Escobar’s invasive ‘cocaine hippos’
After attempts at relocation and sterilization have failed, invasive hippos introduced by the infamous drug lord will be culled, the country announced
Humberto Basilio is a Mexican science journalist covering policy, health, misconduct, archaeology and the environment. He is also a former news intern at Scientific American. His work has been published in the New York Times, National Geographic, Science, Nature, and more.

Colombia will euthanize Pablo Escobar’s invasive ‘cocaine hippos’
After attempts at relocation and sterilization have failed, invasive hippos introduced by the infamous drug lord will be culled, the country announced

Mountain photographer stumbles on one of the largest ever collections of Triassic dinosaur prints
A newfound site in the Italian Alps holds one of the largest collections of Triassic dinosaur footprints ever seen

Astronomers spot one of the largest spinning structures in the universe
This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away

From anxious Weimaraners to aggressive Chihuahuas: What science can tell us about dog breeds
A large dataset shows some dog stereotypes are based in reality, and others might be unfair characterizations

Pompeii Time Capsule Reveals Secrets to Durable Ancient Roman Cement
Lime granules trapped in ancient walls show Romans relied on a reactive hot-mix method to making concrete that could now inspire modern engineers

Scientists Pinpoint Gene in Sperm That May Be Key to Male Infertility
Without the gene Poc5, male mice produced no viable sperm, pointing to a possible link to infertility

Mysterious Fossil Foot Belonged to Ancient Human That Lived Alongside ‘Lucy’
Newly identified bones tie the mysterious Burtele foot to a new Australopithecus species that lived alongside Lucy more than three million years ago

China to Launch Rescue Shenzhou-22 Spacecraft for Stranded Astronauts
The Shenzhou-22 spacecraft is set to launch November 25

Iran’s Capital Is Moving. The Reason Is an Ecological Catastrophe
The decision to move Iran’s capital is partly driven by climate change, but experts say decades of human error and action are also to blame

CDC Vaccine Website Promotes Antiscience Claims of Autism Ties
The CDC this week quietly changed its official language to suggest vaccines may cause autism, a claim that scientists say has no basis in evidence

Fluoride in Tap Water Not Linked to Lower Child IQ, Massive Study Finds
Researchers tracked thousands of Americans for decades, finding no links between ingesting recommended levels of fluoride and lower cognitive skills

JWST May Have Seen the First Stars in the Universe
Although these findings from JWST are yet to be confirmed, they mark the closest astronomers have come to locating the universe’s most ancient stars

The Leonid Meteor Shower Is Peaking—Here’s How to Watch This Fireball-Filled Event
A thin crescent moon and dark skies could give watchers a clear view of this astronomical event

Oldest RNA in the World Extracted from Frozen Woolly Mammoth
RNA has been extracted from an ancient woolly mammoth, providing insight into its last moments on Earth

Stranded Chinese Astronauts Return to Earth, but Space Junk Threats Remain
The Shenzhou 20 spacecraft was too damaged to bring its crew home from China’s Tiangong space station. Those astronauts have now returned via the Shenzhou 21 craft, leaving its crew without a return ride until the nation sends a new spacecraft to the station

‘Mono’ Virus May Also Cause Lupus
Early findings indicate that Epstein-Barr virus may also cause the autoimmune disease lupus

IEA Now Predicts Oil and Gas Demand Will Rise beyond 2030, Departing from Previous Forecasts
The International Energy Agency says weak climate action and energy security fears are effectively delaying peak fossil fuel consumption

China’s Stranded Astronauts Are Safe—For Now. But How Will They Get Home?
There are six people living on the Chinese space station Tiangong at the moment, and the plan to bring three of them back is in progress

Canada Just Lost Its Measles-Free Status. The U.S. Could Soon Follow
Canada lost its official measles elimination status after a year of continuous transmission

China’s Stranded Astronauts Show the Dangers of Space Junk
Three Chinese astronauts will likely return safely to Earth after a reported space-junk strike. But the incident highlights the growing risk of orbital debris

This Cave Holds a Spider Web ‘Megacity’ the Size of Half a Tennis Court
This finding is the first documented case of colonial behavior between two solitary species of spider

Archaeologists Uncover a Monumental Ancient Maya Map of the Cosmos
Archaeologists have uncovered evidence of a ritual-based site that may have been built long before the rise of Maya rulers

Why Aluminum in Vaccines Is Safe—And Often Essential
The FDA wants to reevaluate the use of aluminum adjuvants despite a long record of safe use in vaccines

A Solution to the CIA’s Kryptos Code Is Found after 35 Years
After decades of speculation, two writers uncovered the answer to the Kryptos code’s final cipher