A little-known glow is lighting up the night sky right now

Spring brings one of the easiest chances of the year to spot an otherworldly glow in the night sky. The big picture: Right now is prime time in the Northern Hemisphere to see the zodiacal light — or "false dusk" — about an hour after sunset on the western horizon. Many people mistake it for distant city lights or lingering twilight, but it's actually sunlight reflecting off a vast cloud of dust spread through our solar system, according to...