For the first time in 4 million years, carbon dioxide concentrations cleared 400 parts per million (ppm) at the South Pole. It's the last climate-monitoring spot on Earth to pass the historic milestone.
Global emissions of ethane, an air pollutant and greenhouse gas, are on the uptick again, according to a new study. The air samples for the study were collected from more than 40 sites around the world.
The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity according to a new global atlas of light pollution.
Air pollution -- including environmental and household air pollution -- has emerged as a leading risk factor for stroke worldwide, associated with about a third of the global burden of stroke in 2013, according to a new study.
Six British warships stationed in the Persian Gulf are breaking down because the water is too hot. When the ships' turbines get overheated, they can't generate as much energy, resulting in electrical failures.
Recent studies suggest that humans accept equality and eschew hierarchy more readily when their minds are clear and they are neither stressed nor distracted.
Zoos are awful places for animals to live, and zoos are awful places for humans to visit.
Today's technology looks so slick and clean as it brings magic to your screen. But behind the scenes, our data comes at a cost.
The 2015-16 El Nino has likely reached its end. Tropical Pacific Ocean temperatures, trade winds, cloud and pressure patterns have all dropped back to near normal, although clearly the event's impacts around the globe are still being felt.
The latest report from the United Nations found that the damage we are doing is occurring at a much more rapid pace than previously thought, to such an extent that we are degrading the environment quicker than it can recover.
Oil companies have known about the effects of carbon dioxide emissions from cars far longer than many originally thought, according to recently released documents.
An 18-month review into antimicrobial resistance warns that superbugs will kill upwards of 10 million people a year by 2050, a frightening prospect that's being described as "the antibiotic apocalypse"
The Totten Glacier in East Antarctica has an unstable area that could collapse and contribute to more than two metres of sea level rise beyond what is generally predicted if climate change remains unchecked, researchers say.
Canada marked the International Day Against Homophobia, Transphobia and Biphobia by introducing federal legislation that would guarantee full legal and human rights protection to transgender people across the country.
In the first ever report looking into the world's plants and their status, scientists have cataloged almost 400,000 known species.