Some across the U.S. may again have a chance to see the northern lights Tuesday night as material hurled out by the sun ...

Where to see from around the world this week - A third of the Sun will be covered for people in the UK, with an eclipse map ...

An observational tango has thus emerged between the two methods. The transit method generates a large number of “candidates”, ...

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry ...

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