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A grey, diamond-shaped object with pitted, cratered surface against a black background.

Hayabusa-2 Sample Return Mission Suggests Protracted Wetter Asteroids

by Andy Fell
September 16, 2025

Spring-fed Rivers, Cold Waters and Trout

by Andy Fell
June 09, 2025

Roughly triangular pale off-white rock with brown and black flecks and a band green crystal running vertically across it. A ruler shows that it is about 50 millimeters across.

Aluminum Isotope in the Early Solar System

by Andy Fell
September 05, 2023

Fossil dinosaur skeletons tangled together

Dating the Dinosaur Pompeii

by Andy Fell
April 16, 2021

Egghead

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