Patrick Pester

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' motives are uncertain, but the sharing behavior could be an attempt at a cross-species relationship or manipulation.

Lake Superior Zoo in Minnesota announced it has given a brown bear the world's largest dental crown, with the bear now sporting a silver-colored metal canine

The Wandan mud volcano has erupted in Taiwan, sending bubbling mud shooting into the air as locals ignite ejected gases with burning rags.

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, and then created a music video by converting the light in those images to musical notes.

The discovery of Enigmacursor mollyborthwickae, a dog-size "runner" dinosaur, has left researchers re-evaluating Nanosaurus and several other US dinosaurs from the Morrison Formation in Colorado.

The "heat dome" hovering over the eastern half of the U.S. now has a thunderstorm "ring of fire" erupting along its edge. Meanwhile, in the Atlantic, the first tropical storm of the season has been named.

A coronal hole in the sun could result in visible auroras over about 15 U.S. states tonight (June 25), with the Space Weather Prediction Center expecting a moderate geomagnetic storm.

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite living near the impact site in Mexico.

The Atacama Large Millimeter/submillimeter Array has detected methanol isotopes around a nearby star, which could help explain why the ingredients for life are present on Earth.

The world has gotten an early preview of the Rubin Observatory's first images, which include stunning snaps of spiraling galaxies and the Trifid and Lagoon nebulae.

Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and eastern U.S. states.

Researchers have found that ocean acidification entered a "danger zone" in 2020, suggesting increased carbon dioxide levels have caused Earth to breach another planetary boundary.

Last night's "Strawberry Moon" hovered lower in the night sky than it had done since 2006. Here are some stunning global snaps of June's full moon during the major lunar standstill.

Researchers have filmed a living Antarctic gonate squid in a world-first sighting deep in the ocean surrounding Antarctica.

New images of a young star, 2MASSJ1612, could have captured the birth of a giant gas planet larger than Jupiter.

A West Virginia University student has identified an elusive fungus that contains psychedelic chemicals similar to LSD.

The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air. Spectacular photos and videos capture the eruption of Europe's largest active volcano.

Researchers have found that cats spend longer sniffing a stranger's odor than their owner's odor, suggesting they can distinguish between familiar and unfamiliar humans from scent alone.

Italy's Mount Etna has erupted in spectacular fashion, sending ash, gas, and other volcanic material high into the sky above Sicily. Watch footage of the eruption.

An artificial intelligence safety firm has found that OpenAI's o3 and o4-mini models sometimes refuse to shut down, and will sabotage computer scripts in order to keep working on tasks.

A cocktail of FDA-approved cancer drugs, trametinib and rapamycin, boosts the lifespan of lab mice by 30% and might help humans age better, new study finds.

The USGS has announced that Kilauea volcano is ejecting fountains of lava in a manner not seen since the Pu'u'ō'ō eruption in the 1980s. But while the lava is mesmerizing, officials warn that the volcano is also producing toxic gases and other hazards.

Our planet's core is rich in gold that can leak out into the mantle, and in some cases, end up in volcanos on the surface, according to a new study.

Researchers have found fresh evidence that Africa is breaking apart because of a deep mantle superplume of hot rock beneath the East African Rift System.

In an interview with New Scientist, Colossal Biosciences' chief scientist has clarified that its "dire wolves" are just genetically modified gray wolves following a backlash to the "de-extinction" label it put on them.