Scientists have uncovered startling evidence that ancient apex predators ruled the oceans 100 million years ago.

Scientists have found the fossilized remains of a prehistoric giant penguin unlike any other deep in the craggy coastlines of New Zealand’s South Island. Named Kumimanu fordycei, this enormous seabird ...

When the Earth froze over, where did life shelter? MIT scientists say one refuge may have been pools of melted ice that ...

The search for life on other worlds needs a way to sift through the chemistry of their atmospheres. If another species observed Earth to search for life, they'd look for "smoking gun" chemistry in ...

How did complex life survive when Earth was frozen over? Scientists say tiny meltwater ponds on ancient ice may have been the ...

In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The last universal common ancestor is the single life form that branched into ...

Life’s ultimate origin will never be known, but researchers are probing the possibilities—for Earth and elsewhere.

What if one of the most destructive events in Earth’s history actually helped life flourish?A massive meteorite that slammed into the planet 3.26 billion years ago may have done just that ...

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it is today, and scientists predict that in the future, it will revert back ...

Stalks of iron-rich minerals, each a fraction the size of an eyelash, may be evidence of the earliest life-forms to inhabit the newborn planet Earth. The tiny hematite tubes are as much as 4.28 ...

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history.