Patrick Pester

Scientists have unveiled a giant horned dinosaur from Egypt called Tameryraptor markgrafi after discovering lost photos of fossils destroyed in WWII.

Antarctica's Filchner-Ronne Ice Shelf may be under threat due to relatively warm water from the deep sea flowing towards the shelf. Is climate change to blame?

Parts of Southern California are covered with pink fire retardant as firefighters try to control deadly wildfires raging in Los Angeles. But what is Phos-Chek fire retardant and is it safe?

NOAA has declared that a La Niña is underway. This cool weather event is likely to be shorter and weaker than usual, but will still affect global weather and climate.

Hookworms that cause deadly dog infection and 'creeping eruption' in humans are growing resistant to drugs.

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance these samples contain evidence of alien life.

A huge magnitude 7.1 earthquake has hit the holy city of Shigatse, or Xigazê, in the autonomous region of Tibet in China.

Zavaritskii volcano in the Kuril Islands was responsible for the mysterious 1831 volcanic eruption that cooled the climate and turned the sun different colors, a new study finds.

An orca famous for carrying a dead calf around has once again been spotted with a deceased newborn on her head in Puget Sound, but there's some good news for her endangered southern resident killer whale pod.

Researchers have excavated the largest dinosaur footprint site in the U.K. after a quarry worker found tracks left by two of Britain's biggest Jurassic dinosaurs.

An expanding polar vortex is expected to lower temperatures across the eastern half of the U.S., with the potential for record-breaking cold in January.

Humans have a long history of misinterpreting ancient fossils. Here are 10 creatures from the dinosaur age that looked way different than we thought.

Researchers have found that stick insects keep evolving the same 20 body plans, from the "tree lobster'" to the "bark hugger" and the "large-headed stick."

The GaoJing 1-02 imaging satellite burned up over the U.S. in a mesmerizing 'fireball' that some skywatchers mistook for a meteor shower.

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over from ancient volcanic eruptions, and may be protecting signs of life — if there ever was life on Mars.

Officials say they've eradicated northern giant hornets, nicknamed "murder hornets," after years of tracking the invasive giant wasps in Washington state.

Ground squirrels have turned into carnivorous killers in a local park after vole numbers exploded in Contra Costa County, California.

A New York homeowner, in Scotchtown, Orange County, was "thrilled" to find mastodon fossils in their backyard, which museum staff plan to study to learn more about the last ice age.

Fossils of the oldest saber-toothed predator are helping researchers understand the evolution of early mammal relatives called gorgonopsians and our shared origins in the therapsid group.

Computer modeling suggests Saturn's rings are billions of years older than previous research suggests — but the new findings are up for debate.

The mountain lions of Greater Los Angeles are becoming more active at night to cope with humans hiking, cycling and jogging in their habitat.

From delicate dandelions to mighty oak trees, millions of plants use seeds to reproduce. But where did the first seeds come from?

Researchers have found that forensic "DNA mixture analysis" is less accurate for certain groups of people with lower genetic diversity, which could falsely link them to crime scenes.

People all over the world believe they've seen or heard a ghost, but there's no scientific evidence for spirits, hauntings or the paranormal. So what's behind these "encounters"?