Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

Nearly 1,250 middle and high school students from 71 schools around the world joined Fairchild Tropical Botanic Garden for ...

There was no warning, no conversation,” said Jane Clougherty, an environmental health scientist, who had a federal grant ...

Today is World Children’s Day! This year marks the 36th anniversary of the UN Convention on the Rights of the Child, when ...