Polar bears are icons of the Arctic, elusive and vulnerable. Detailed monitoring of their populations is crucial for their conservation—but because polar bears are so difficult to find, we are missing critical data about population size and how well-connected those populations are. Scientists have now developed a new tool to help: DNA analysis using skin cells shed in the bears' footprints in...

Disc golf is booming, with record numbers of players turning up each year to partake in the disc-throwing sport. It is also whizzing and whistling. In fact, the sound a disc makes while soaring through the air toward its target is full of information about how fast the disc is flying and how quickly it spins.

With Planet Earth running a fever, U.N. climate talks focused Sunday on the contagious effects on human health.

This year, a record-hot Atlantic Ocean went toe-to-toe with a strong El Niño for which weather phenomena would steer the hurricane season. The winner?

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago.

A small team of bio-scientists from the University of Rostock's Institute for Biosciences and Nuremberg Zoo's Behavioral Ecology and Conservation Lab, both in Germany, has found evidence that bottlenose dolphins can sense electric fields. In their study, reported in the Journal of Experimental Biology, the group tested the ability of two captive bottlenose dolphins to sense a small electric field.

Nearly 120 nations pledged to triple the world's renewable energy within seven years at UN climate talks Saturday as the United States pushed to crank up nuclear capacity and slash methane emissions.

They call the giant climate business expo running outside the COP28 United Nations talks in Dubai the "green zone".

Dubai's glitzy skyline was obscured by a blanket of smog rated as "unhealthy" on Sunday as thousands of delegates attended a COP28 conference dedicated to the harmful effects of air pollution.

Fifty oil and gas companies representing 40 percent of global production pledged to decarbonize their operations by 2050 at the UN's COP28 climate talks in Dubai on Saturday.

A drone buzzed back and forth above rows of verdant orange trees planted near Nabeul, eastern Tunisia.

A powerful earthquake that shook the southern Philippines killed at least one villager and injured several others as thousands scrambled out of their homes in panic and jammed roads to higher grounds after a tsunami warning was issued, officials said Sunday.

The president of French Polynesia has questioned whether 2024 Olympic surfing can go ahead at the planned site in Tahiti, saying he was concerned about safety and damage to coral from a planned judging tower.

Earth's surface is the living skin of our planet—it connects the physical, chemical and biological systems.