About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...

Whales, dolphins and other marine mammals are highly social, but those social ties can also help diseases spread through ...

In September 1968, the Soviet Union’s Zond 5 mission looped around the Moon and returned safely to Earth with two tortoises and a hidden biological payload, a quiet first in the lunar race. What came ...

A new study finds mosquitoes in Brazil’s Atlantic Forest are increasingly feeding on humans as deforestation reduces wildlife ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Long-term exposure to low levels of a common agricultural chemical can accelerate aging and shorten the lifespan of aquatic ...

Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where ...