Mysterious, motionless clouds often mistaken for UFOs are actually lenticular clouds, a well-understood meteorological ...

UCR-led study finds that tiny, invisible gases long thought to be irrelevant in cloud formation appear to play a major role in determining whether clouds form—and possibly whether it rains. This ...

Hubble captures a dazzling stellar nursery where newborn stars light up and carve their way through glowing clouds in a ...

NASA’s Hubble has examined Cloud-9, a strange object with no stars that offers clues about early galaxy formation and dark ...

NASA’s Curiosity rover has captured breathtaking images of iridescent clouds drifting across the Martian sky, revealing a celestial spectacle unlike anything seen before. These clouds, composed of ...

The fastest way into the gaps between gigantic blocks of a broken-up glacier is by lowering instruments from above, through ...

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...