Picture the ocean on a stormy day—but in the sky. These rare Asperitas clouds, with their dramatic wave-like formations, have ...

The aurora borealis, or northern lights, is known for a stunning spectacle of light in the night sky, but this near-Earth manifestation, which is caused by explosive activity on the sun and carried by ...

A groundbreaking study combining the efforts of amateur and professional astronomers has redefined our understanding of ...

It looks like a UFO, or an alien ship, but these oddly-shaped clouds snapped by locals west of Brisbane this morning are an ...