Ostriches, emus, rheas, and other giant flightless birds now inhabit six continents separated by oceans. Their global distribution has puzzled scientists for decades, as these massive ...

Scientists discovered that ostrich ancestors could fly across oceans. Later, they lost flight and adapted on land.

There is a ravishing kind of beauty in Tommaso Santambrogio’s lyrical triptych of contemporary Cuban life, “Oceans Are the Real Continents.” With black and white cinematography that privileges an ...

Rivers carry plastic across continents, so scientists tracked its movement across continents too. A sweeping new UC Santa Barbara-led study spanning four continents and eight countries has amassed one ...

If the oceans suddenly vanished, the continents would still be separated by deep trenches and valleys left behind by the water. Instead of walking or driving to another continent, you'd have to ...

Tens of millions of years ago, South America and Africa were part of the same land mass, an ancient supercontinent called Gondwana. At some point, the two continents we now know started to pull away ...

The health burden would probably fall unequally, with poorer countries suffering the highest rises in premature deaths linked ...