Every day, about 48.5 tons of space rock hurtle towards Earth. Every day, about 48.5 tons of space rock hurtle towards Earth.

Little Friends We've heard of underground parties — but this is ridiculous. A recently released study authored by microbial ...

These trees were once part of a thriving forest, but then the cooling climate entombed them under thick layers of mountain ...

This week, meet a big-brained ancient human relative, hear a meteorite as it lands on Earth, spot a tiny kangaroo-like marsupial, and more.