This striking satellite photo shows 10 swirling "dark voids" that appeared above an uninhabited volcanic island in the Indian Ocean. The black spots are the result of atmospheric cloud vortices, but ...

A satellite orbiting Earth captured something strange off the coast of Heard Island, a remote volcanic landmass located roughly 900 miles (1,448.41 km) north of Antarctica. The image, later released ...

Have you ever wondered why the night sky is dark? Doesn’t seem like much of a brainteaser, does it? Everyone knows the sky darkens at night because the sun sets … or more accurately, because our part ...

Bring a red light and snacks and get comfortable as you take in these celestial wonders. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. April 21 ...

Have you ever wondered why the night sky is dark? Doesn't seem like much of a brainteaser, does it? Everyone knows the sky darkens at night because the sun sets ... or more accurately, because our ...