In a nutshell Scientists identified over 500 planetary nebulae in the Sculptor galaxy, 20 times more than previous surveys, ...

LED light bulbs use at least 75% less energy and last 25 to 50 times longer than incandescent bulbs, according to the Department of Energy, which estimates consumers will save nearly $3 billion a ...

Those viewing a total solar eclipse might experience an optical illusion known as the Purkinje effect, which causes red colors to look muted and greens and blues to pop. CNN values your feedback 1.