Undocumented immigration is a key issue in American politics, but it can be hard to nail down the basic facts about who these ...
The European climate service Copernicus says the world warmed to yet another monthly heat record in January, despite an ...
A coastal community in Southern California is shifting downslope toward the Pacific Ocean at a rapid rate, according to NASA.
Ferocious cold gripping more than 20 states as record heat bakes the rest of the country will leave America split down the ...