Ever since the term “Snowball Earth” was first proposed in a 1992 paper, it has prompted substantial debate among scientists.

The larger, 6.8-magnitude quake happened at 11:49 a.m. Cuba time about 24 miles south of Bartolomé Masó, Cuba, data from the ...

This is where we are right now. Today, they dig deeper, to help us see new layers of a problem and start to solve it.