Hauling in enough rock to pile behind a retaining wall that high and that long will be a massive operation. But the closer ...
The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger ...
Divers in Florida’s Steinhatchee River stumbled upon hundreds of pristine fossils from an obscure Ice Age period, including giant armadillos, ancient horses and possibly a new species of tapir.
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