Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

Tiny, orange glass beads discovered on the moon during the Apollo era may reveal an untold history of lunar volcanism.

Tiny glass beads from Apollo missions reveal Moon's ancient volcanic eruptions through sparkling mineral coatings.