Ancient herbivore ecosystems survived two major global reorganizations but face unprecedented modern extinction threats.

Some workers unknowingly pay fees when they leave a job but don’t take their 401(k) with them. Those can eat into their retirement savings.

Earth harbors incredible secrets, from remnants of a planet that formed the Moon residing deep within, to ancient auroras ...

Our new study, published in Earth and Planetary Science Letters, reveals how this hidden mountain chain emerged more than 500 million years ago when the supercontinent Gondwana formed from colliding ...

At one time, many millions of years ago, these two continents were connected, along with others ... Identifying a new species of Australian tree frog from the Early Eocene around 55 million years ago, ...

Plate tectonic models suggest the crust now forming East Antarctica came from at least two large continents more than 700 million years ago. These continents used to be separated by a vast ocean ...

Roughly 140 million to 100 million years ago, the piece of land that is modern ... high sea levels and flooded continents. The geographic distribution of land masses was also very different ...

You already know that continents slowly move due to plate ... especially when it comes to one curious time: about 84 million years ago during the Late Cretaceous. For decades, geologists have ...

Continents became forested 350 million years ago, and dinosaurs emerged 240 million years ago, dying out suddenly 65 million years back. Looking over this long course of time helps scientists ...

At the timeline’s start, some 485 million years ago, Earth was in what is known ... Acid rain fell across the continents; marine ecosystems collapsed as the oceans became boiling hot and ...

Earth may have sported a Saturn-like ring system 466 million years ... first formed over 400 million years ago. The team found that all the craters had formed on continents that floated within ...

Around 252 million years ago, the world suddenly heated up ... This meant that the climates we see today at the center of continents—dry, with hot summers and freezing winters—were magnified.