Early-stage research points to bioengineering as a promising way to buy time for arid ecosystems.
Fossils dating more than about 540 million years old are extremely rare. That's why a newly discovered ancient deposit is so valuable.
New research suggests that national monument designations have not harmed local economies, and in some ways they may have helped.
Researchers examined some of the oldest rocks in western Greenland to probe the beginnings of today’s continents.