Northern snakeheads were first discovered in American waters in 2002.

These Large, Snake-Like Fish Are Invading the United States—and Authorities Want You to Kill Them

Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways

The Lyrid meteor shower coincided with a nearly full moon at its peak in 2024, seen here at Joshua Tree National Park. This year, conditions will be more favorable.

How to Watch the Lyrid Meteor Shower at Its Dazzling Peak

The annual spectacle, which is happening now, will last until around April 25—but the best viewing will fall between the 21 and 22

A rendering of a Sunbird rocket detaching from its station to dock onto an approaching spacecraft.

Fusion Rockets Could Theoretically Cut Our Travel Time to Mars in Half. This U.K. Startup Wants to Give It a Try

The company’s ambitious new Sunbird design aims to harness nuclear fusion in space, despite the fact that commercializing such energy on Earth remains a faraway dream

Researchers suggest fire-footed rope squirrels might be a "reservoir species" for mpox, capable of harboring and spreading the virus without becoming sick. Here, one is photographed in Kibale National Park, Uganda.

Squirrels, Not Monkeys, May Be the Animal Source of Mpox, Researchers Suggest

A preliminary study traces an mpox outbreak in a group of Ivory Coast monkeys to the fire-footed squirrel, indicating the rodent may be a natural reservoir for the virus

An artist's impression of K2-18b and its distant host star, visualized as if the planet had water and a hydrogen-rich atmosphere.

Chemical Hints on a Distant Planet Offer ‘Strongest Evidence Yet’ for Life Outside Our Solar System, Astronomers Say

The James Webb Space Telescope spotted possible signatures for life in an exoplanet’s atmosphere. Still, researchers caution it’s far too early to call the findings definitive

Last year, nine million viewers tuned in to watch “The Great Moose Migration” in Sweden.

Watch Majestic Moose Meander North With This Popular Live Stream From Sweden

“The Great Moose Migration” shows the antler-adorned ungulates making their annual spring trek

Caught on Lake Livingston near Houston using a two-pound line, the massive alligator gar weighed 153 pounds.

Angler Catches 153-Pound Behemoth in Texas Using Ultra-Light Tackle, Likely Setting a New World Record

Art Weston and Kirk Kirkland reeled in and released the enormous freshwater fish, known as an alligator gar, after a four-hour battle on Lake Livingston

Elephants at the San Diego Zoo Safari Park huddled together, facing outward, in a behavior called an "alert circle" after an earthquake hit.

Watch These Elephants Form an ‘Alert Circle’ as an Earthquake Shakes San Diego, Protecting Their Young at the Center

Footage from the San Diego Zoo Safari Park shows the large mammals huddling together around the herd’s calves

Researchers recently captured the first-ever confirmed video of the colossal squid in its natural habitat.

Check Out the First Confirmed Footage of the Colossal Squid, a Rare and Enigmatic Deep-Sea Species

Most of what we know about the elusive creature comes from research on its remains found in whale stomachs, but scientists just filmed a one-foot-long juvenile in the South Atlantic Ocean

The far side of the moon—seen here, captured by NASA's Lunar Reconnaissance Orbiter—could be much drier than expected.

The Moon’s Far Side Is Strangely Dry—Lunar Samples Suggest It’s Much More Parched Than the Side That Faces Earth

Chinese researchers analyzed the first-ever soil samples returned from the far side of the moon, but further samples will be needed to verify their findings

Researchers Daniel Cerveny and Marcus Michelangeli collecting salmon from the Dal River in Sweden.

Salmon Are Being Exposed to Our Anti-Anxiety Medication, and It’s Making Them Take More Risks, Study Suggests

Atlantic salmon exposed to a common anti-anxiety drug migrate faster, according to new research. That’s not necessarily a good thing

Matteo Paz with Caltech President Thomas F. Rosenbaum after winning the Regeneron Science Talent Search award.

High School Student Discovers 1.5 Million Potential New Astronomical Objects by Developing an A.I. Algorithm

The 18-year-old won $250,000 for training a machine learning model to analyze understudied data from NASA’s retired NEOWISE telescope

Ronin the African giant pouched rat is one of more than 100 rats trained by a Belgian nonprofit to sniff out deadly land mines.

Super-Sniffing Rat Sets a New World Record for Discovering Deadly Land Mines—and He’s Just Getting Started

Ronin, a 5-year-old African giant pouched rat, has found 109 land mines and 15 other unexploded ordnances in Cambodia

An aerial view of dredges at an illegal gold mining area in the Amazon region of Peru.

Tree Rings Bear Witness to Illegal Gold Mining Operations in the Amazon, New Study Finds

Mercury concentrations in fig trees could provide useful information about mining activity in the rainforest over time

Glowing "milky seas," seen here from a satellite, have confused and captivated sailors for centuries.

Glowing ‘Milky Seas’ Have Baffled Sailors for Centuries—New Research Brings Scientists One Step Closer to Solving the Mystery

Historical accounts of vast ocean waters glowing in the dark go back hundreds of years, and researchers are still trying to determine exactly what triggers the phenomenon

Carrion crows (Corvus corone) can tell the difference between geometric shapes, according to new research.

Crows May Grasp Basic Geometry: Study Finds the Brainy Birds Can Tell the Difference Between Shapes

Scientists tested crows on their ability to recognize “geometric regularity,” a skill previously assumed to be unique to humans

In hopes that they could control destructive cane beetles, people introduced cane toads to Australia in 1935. Instead, the amphibian's population exploded, and today, cane toads number roughly 200 million.

Scientists Create Gene-Edited ‘Peter Pan’ Tadpoles That Could Control Invasive Cane Toads Through Cannibalism

To combat one of Australia’s most troublesome species, researchers are developing hungry tadpoles that never grow up

Comet C/2025 F2 (SWAN) captured from California. 

A Newly Discovered and Brilliantly Green Comet Is Dazzling Astronomers. Here’s What to Know About the Glowing Celestial Visitor

Initial observations suggest the comet, called C/2025 F2 (SWAN), will continue getting brighter as it approaches the sun. Northern Hemisphere viewers with binoculars can currently spot it in early morning skies

Researchers extracted ancient proteins from the bone and tooth enamel.

Mysterious Jawbone Found at an Antique Shop in Taiwan Belonged to a Male Denisovan, Scientists Say

The fossil, called Penghu 1, is one of the few known pieces of physical evidence from the Denisovans, extinct relatives of modern humans. It suggests the species lived in diverse environments

Biomass will monitor the Earth's tropical forests over the next five years.

A New Satellite Will Map the Carbon Content of Rainforests From Space, and It’s Set to Launch This Month

The European Space Agency’s new probe, Biomass, will spend five years orbiting the planet and gathering radar imagery of forests across multiple continents

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