Supernovae showered Earth with radioactive debris

Optical approach offers faster, less expensive method for carbon dating

Geothermal heat contributes to Greenland ice melt

Mohs Hardness Scale

Massive Ancient Tectonic Slab Found Below the Indian Ocean

240-million-year-old fossils indicate how dinosaurs grew from hatchlings to adults

Early Mars bombardment likely enhanced life-supporting habitat

Sweet technique finds cause of sour oil and gas

US hands over looted dinosaur fossils to Mongolia

New type of dinosaur eggs found from Early Cretaceous of Gansu...

1...378379380...686Page 379 of 686