The Bering land bridge holds vital clues to the story of the Americas’ first inhabitants. A new project may rewrite the history books.
We usually think that exploration and settlement of outer space are all about technological innovation, but we’ll need more than that to do it right.
In the rugged landscapes of the American Southwest, select cohorts of incarcerated people are temporarily allowed out of prison to fight wildfires. But are they being rehabilitated or exploited?
We’ve already left permanent marks on other worlds. Do we have a responsibility to protect the solar system?
What is it about islands that makes big creatures turn small?
On Fiji’s islands, shifting sea levels have left a tangled legacy of conflict and survival. We should take note.