The new form, called Ice XXI, appeared at room temperature in the lab, and it may have a similar density to ice on distant moons in our solar system ...

January doesn’t skimp on cosmic sightseeing. The month begins with a vibrant supermoon, continues with the year’s best Jupiter view, and ends with multiple moon-planet conjunctions. Aurora activity ...

Last night, as usual, I sat outside on the bench in my backyard. Maybe this is the favorite part of my day. Often, I carry a cup of tea; although ...

Sundogs, also known as mock suns or parhelia, are bright patches of light that appear to the left, right, or sometimes on both sides of the real sun.

Polar bears aren't white, strawberries aren't berries and the Earth isn't round—we'll have you rethinking everything you thought you knew! Mind-blowing facts you have to read to believe Did you know ...