Two emperor tamarin monkeys were stolen from their enclosure at the Dallas Zoo on January 30, 2023. 

Animals at the Dallas Zoo Keep Mysteriously Disappearing

In just a few weeks, the zoo has had enclosures tampered with, a clouded leopard escape, two stolen monkeys and a suspicious vulture death

Viking burial mound at Heath Wood being excavated

Vikings Brought Horses and Dogs to England, Study Finds

Cremated bone fragments suggest these animals were companions to the Vikings

Northern quolls are the smallest of Australia's four quoll species.

Too Much Sex and Too Little Sleep Can Kill These Endangered Marsupials

A study finds male northern quolls forgo rest to travel up to 6.5 miles in one night in search of a mate—the equivalent of a human walking 25 miles

A dolphin giving a cue to a fisher in Laguna, Brazil.

Dolphins and Humans Work Together to Catch Fish in Brazil

The partnership has endured for some 150 years, and it benefits both species, a new study finds

The crack called Chasm-1 had been dormant for decades until 2012. Now, it has created a new iceberg.

Iceberg Twice the Size of New York City Breaks off From Antarctica

The event was expected and not linked to climate change, researchers say

A meteor streaks across the sky near Lone Pine, California, during the annual Perseid meteor shower in 2022.

Ten Dazzling Celestial Events to See in 2023

Stargazers can look forward to watching a rare comet, a super blue moon and several spectacular meteor showers

A person-shaped robot liquifies to escape a cage, then cools back into its original shape in a mold placed in the ground outside the bars.

This Shape-Shifting Robot Can Liquefy Itself and Reform

The technology could one day assemble and repair hard-to-reach circuits, act as a universal screw or retrieve foreign objects from a body, researchers say

An orbital diagram shows that 2023 BU's trajectory (in red) passed closer to Earth on January 26, 2023 than the orbits of geosynchronous satellites (in green). 

An Asteroid Just Passed Very Close to Earth

The truck-sized space rock came within 2,200 miles of our planet, closer than some satellites

Wolves on Pleasant Island are actively hunting and eating sea otters.

In Alaska, Hungry Wolves Have Started Eating Sea Otters

After devouring their island's deer, these canines may be the first land predators to rely on sea otters as a main food source

The mummified teen digitally unwrapped in four stages

Digital Scans Reveal Secrets of 'Golden Boy' Mummy

The 2,300-year-old mummified teen was buried with 49 protective amulets, several made of gold

A grizzly bear in Glacier National Park in Montana

Three Grizzly Bears Tested Positive for Avian Flu in Montana

The current outbreak has led to the deaths of more than 52 million birds in the United States

Since 1970, the oceans have sunk about 90 percent of the excess heat from the atmosphere.

Oceans Break Record for Highest Temperatures Four Years in a Row

Warming oceans can drive sea-level rise and extreme weather

Teachers have cited concerns about students trying to pass off AI-written essays as their own work.

Student Creates App to Detect Essays Written by AI

In response to the text-generating bot ChatGPT, the new tool measures sentence complexity and variation to predict whether an author was human

Boat docks sit on dry, cracked earth at the Great Salt Lake's Antelope Island Marina on August 1, 2021, near Syracuse, Utah.

Drying Great Salt Lake Could Expose Millions to Toxic Arsenic-Laced Dust

The largest saline lake in North America is on track to collapse within five years, a new report finds

An Anolis cristatellus lizard in Puerto Rico.

Genetic Mutations Could Help Lizards Survive City Life

Urban Puerto Rican crested anoles show genetic changes related to immune function, metabolism and limb and skin development

Debra Babalola and Shefali Bohra invented Dotplot, a device that can help users monitor their breast health.

A New Tool Could Help Detect Breast Cancer Earlier

Dotplot gives users real-time feedback and builds a personalized map of their chests

In purple, a hole in the ozone layer over Antarctica on September 10, 2009

The Ozone Hole Is on Track to Mend Itself Within Decades

The worldwide phaseout of ozone-depleting substances is allowing the atmosphere to recover, a new U.N. report finds

A Pasadena resident photographs a peacock as it spreads out its tail feathers on the front lawn of her home in 2021.

California City Relocates Noisy Peacocks

The colorful birds have sparked disputes between residents in South Pasadena, with some enjoying the animals and others wanting them gone

A cave painting of an extinct cattle species from Lascaux, France, with markings on its back.

Could These Cave Markings Be the Earliest Form of Writing?

New research proposes that symbols in 20,000-year-old cave drawings are a proto-writing system, but not all scientists are convinced

Watermelon snow near the summit of the Chilkoot Trail in Alaska.

Why Some Western Snow Is Turning Pink

Algae bring a rosy hue to some mountain snowpacks, which might accelerate melting

Page 11 of 23