Digging deeper into Mars

Distant volcanic eruptions foster saguaro cacti baby booms

Scientists measure the air breathed by Earth’s first animals

Before animals, evolution waited eons to inhale

Magma build-up may put Salvadoran capital at risk

New index reveals likelihood of terrestrial or aquatic lifestyles of extinct...

First discovery a new extinct carnivorous marsupial

Ice, wind and sea

Researchers discover how rope was made 40,000 years ago

Beaked birds champions of the last mass extinction

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