May skies are brimming with action: shooting stars from Halley’s Comet, brilliant planets at dawn and dusk, and a once-in-a-lifetime nova that could light up the night sky any day now. Eta Aquarids & ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...

HERE’S a question: do you know what happens to pee in space? If yes, urine with a chance of nailing this quiz. If not, you ...

ALMA observations of carbon monoxide emission from 15 protoplanetary disks reveal a stunning variety of gas structures, ...