Lights at night disrupt plant growth and can cause migrating birds to wander off their path into dangerous urban environments ...

After the sun dips below the horizon, some places around the world begin to light up. These spots come alive with soft glows ...

Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

NASA's PUNCH mission, a tiny constellation of four satellites, captured a photo of the moon drifting across the sky through a ...