The break up of the supercontinent Nuna transformed the Earth’s surface, creating shallow marine habitats that may have given ...
In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...
Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from ...
Meet the Scientist Digitizing Millions of Fossilized Pollen Grains to Reveal Earth’s Climate History
Smithsonian researcher Ingrid Romero studies fossil pollen to reconstruct ancient climates and predict future changes Erin Wunderlich Researcher Ingrid Romero holds a case full of pollen slides at the ...
Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...
Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...
If you were to hold a grain of zircon in your hand, it would look like nothing special — just a tiny, sand-sized crystal, no ...
Guest: Professor Dagomar Degroot, environmental historian at Georgetown University and author of Ripples on the Cosmic Ocean: ...
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