A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate ...

New minuscule fossils of Purgatorius, the earliest-known relative of all primates—including humans—have been unearthed in a ...

Billions fewer birds are flying through North American skies than decades ago and their population is shrinking ever faster.

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.

We report on a new study from France, which indicates that dogs and cats may help to spread invasive flatworms.

That spider is one of several new animal species recently described by researchers in Vietnam, India, the Philippines, Borneo, and Peru. Each creature has evolved its own strategy for hiding in plain ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Tiny insects trapped in amber could tell us a great deal about their roles in past ecosystems: pollinators, parasites, predators, and prey. But how many of the insects preserved alongside each other ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

The still unexplained encounter happened at Salt Fork State Park in Guernsey County, Ohio. The men have not spoken publicly about the incident and want to remain anonymous but for the first time an ...

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...