The discovery could help explain why some animals, such as birds, easily crossed the land bridge, while others, like woolly rhinos (Coelodonta antiquitatis), didn't make the migration. The land ...

By floating on a raft of downed trees and broken branches, according to a study published Monday in the journal PNAS. The ...

MEXICO CITY — Illegal crossings at the U.S.-Mexico border are down to their lowest level in decades. Once-crowded migrant ...

Migration to the United States has largely ... they will have to walk back through the Darien Gap jungle, the perilous land bridge between Central and South America that many crossed just months ...

Trump’s hardened stance on migration is, in some ways, an extension of Biden’s moves at the end of his term, Biden had ...

Its presence in North America, confirmed by the fossil discovered at the Gray site, suggests a migration via the Bering Land Bridge about 5 million years ago. The subsequent period, warmer than today, ...

“The entire migration paradigm is shifting,” said ... the United States through the Darién Gap — the forbidding land bridge connecting South America and Central America that is a barometer ...