An atom is the smallest unit of an element that retains its chemical properties. It is made of protons, neutrons, and electrons. (Image: M ...

Scientists have discovered a “record-breaking” asteroid that is nearly the size of eight football fields. The object, known ...

Think of the destruction of Earth's rainforests and a familiar image may come to mind: fires or chainsaws tearing through ...

Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the ...