Earth's mantle may have been cooler than thought before Pangea's breakup

When the supercontinent Pangea began to fragment around 200 million years ago during the Early Jurassic, it reshaped the face of the planet. Vast new oceans opened, continents drifted apart and the ...

42 years of measuring the sun, the Earth and the energy in between

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...
Scientific American

Could aliens in another galaxy see dinosaurs on Earth?

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Visit the end of the Earth to see Easter Island’s mysterious moai

Rapa Nui, 2,200 miles west of the mainland, is as rugged as it is remote — and an exploration offers blustery hikes, volcanic ...
Greek Reporter

The Ancient Greek Philosophers That Knew About America

Ancient Greek philosophers envisioned a fourth continent across the Atlantic, anticipating America centuries before Columbus.