Customs and Border Protection said agents encountered just over 200 undocumented people from Jan. 20 to March 21 at crossings ...

Many wetlands are disappearing, but Louisiana’s “accidental” Wax Lake Delta is growing—and informing coastal restoration ...

A comprehensive inventory of rivers on Alba Mons on Mars reveals a prolonged history of erosion and development into mature drainage networks during the Amazonian, with contributions of rainfall and ...