The lava lake that sits atop Mount Nyiragongo in the Democratic Republic of the Congo is the largest in the world. 

How a Volcanic Eruption Caught Seismologists by Surprise

Scientists reveal why Africa's Mount Nyiragongo erupted without any perceived warning signs in May last year

An inhaled Covid-19 vaccine is displayed at the CanSino Biologics booth at the Hainan International Health Industry Expo in November 2021.

Needle-Free Covid-19 Vaccines Approved in China and India

Doses inhaled through the mouth or nose might provide better protection against mild infections and transmission, preliminary studies show

Members of NASA's Mars 2020 project lower the oxygen-producing instrument, called MOXIE, into the Perseverance Mars Rover in March 2019.

A Lunchbox-Sized Device Is Making Oxygen on Mars

By scaling up the technology, NASA could allow future astronauts to breathe on the Red Planet

People line up for Covid-19 vaccines in Washington, D.C., last December. The Food and Drug Administration approved updated booster shots Wednesday. 

CDC Recommends New Covid-19 Boosters Targeting Omicron Subvariants

The updated shots could be available within days

Indo-Pacific bottlenose dolphins off the coast of Western Australia

Male Dolphins Have (Lots of) Wingmen

To find a mate, male dolphins work together in complex social networks that dwarf those of any other animal, except humans, study finds

Ice collapsing off the Russell Glacier in Greenland. Researchers agree that ice-sheet melt in Greenland will lead to at least several inches of global sea-level rise by the end of the century. 

Melting Greenland Ice Sheet Will Cause at Least Ten Inches of Sea-Level Rise, Study Finds

Experts break down the new finding, which provides a higher estimate of meltwater than previous research

An artist's rendition of the exoplanet, called WASP-39b

Webb Telescope Detects Carbon Dioxide on a Far-Away Planet

Finding this greenhouse gas on other worlds could give scientists clues in the search for extraterrestrial life

A Jorō spider, which was the victim of sensationalized reporting in the U.S. earlier this year

Spider Slander Runs Rampant Online

Nearly half of news stories about spider bites contain misinformation, which experts say can hurt conservation efforts

A night of tossing and turning might lead to more selfish behvaior the next day, a new study suggests. 

Sleep Deprivation Could Make People More Selfish, Study Finds

Researchers measured charitable donations, looked at brain scans and conducted questionnaires to track changes in generosity

Australia is home to roughly 200 million rabbits, which are not native to the country and damage crops and ecosystems. 

How Two Dozen Rabbits Started an Ecological Invasion in Australia

The country’s “most serious pests” can be traced to one shipment from England in 1859, study shows

An industrial fracking well

Children Living Near Fracking Sites Have an Increased Risk for Leukemia, Study Suggests

Researchers find negative health impacts for young people and newborns related to oil and gas development

A new study suggests that dogs might produce tears of happiness when they're reunited with their owners after time apart. 

Do Dogs Really Cry Tears of Joy When Reunited With Their Owners?

Experts are divided about a new study suggesting dogs' tears are associated with emotion

Firefighting foam can contain 'forever chemicals,' which are in many products including food packaging and nonstick cookware. These compounds accumulate in air, soil and water.

Scientists Find a New Technique for Breaking Down 'Forever Chemicals'

The man-made toxins are everywhere and linked to numerous health problems

Dropping water levels in Lake Mead, a reservoir of the Colorado River, revealed this formerly submerged boat.

Western States Are Fighting Over How to Conserve Shrinking Water Supply

The Colorado River, which supplies water to 40 million people, is drying up

By mid-October, adults with mild to moderate hearing loss will be able to buy hearing aids over the counter.

FDA Approves Over-the-Counter Hearing Aids

A new rule could save consumers $2,800 on a pair of hearing aids, officials say

James Lovelock sits with one of his early inventions, a Gas Chromatography device that measures molecules in the atmosphere.

Remembering James Lovelock, Whose ‘Gaia Theory’ Shaped Our Understanding of Global Warming

The British scientist and inventor who said Earth is a self-regulating system died earlier this summer on his 103rd birthday

An adult spotted lanternfly

People Are ‘Hunting’ Invasive Spotted Lanternflies—and You Should, Too

Officials urge the public to squish the bugs, which are damaging crops and trees in the eastern U.S.

During a long workday, a molecule called glutamate can build up in the brain and contribute to fatigue, researchers say.

Why Does a Long Day of Thinking Tire You Out?

New research suggests the buildup of a molecule in the brain might play a role

By studying the throats of 43 primate species, researchers found they all had vocal membranes that destabilized their voices. Humans, on the other hand, do not.

The Evolutionary Trait That May Have Led to Human Speech

“Vocal membranes” in primates make their speech grating and unpredictable, study suggests. Humans have no such thing

Lava rises from the volcano eruption in Iceland's Meradalir valley late on August 6.

Why Hikers Are Clamoring to Photograph a Volcanic Eruption in Iceland, Despite Risks

Toxic gas, hypothermia and fragile terrain are among the site’s dangers

Page 20 of 21