Patrick Pester

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

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

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.

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.

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

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

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.

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

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halemaʻumaʻu crater.

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."