The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

“When it’s brightest, Venus appears as an eerily eye-catching beacon,“ EarthSky wrote. ”Many mistake it for a UFO. It’s ...

Some Arizonans were concerned on Monday night over what they saw in the night sky but it was an event that has happened a few ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Some New Jersey residents were treated to an unusual sight in the sky Tuesday night as a SpaceX rocket launch lit up the ...

We're now just past the midpoint of astronomical winter — that moment marking the midway point between December's winter solstice and March's vernal equinox. That moment took place at 4:11 p.m.

Gravity wave clouds form in wave-like patterns in sky, oftentimes resembling ripples in a body of water from a rock being thrown. These types of clouds are created from air in the atmosphere ...

The hike to Kem Baha in Gunung Stong State Park offers a stunning sunrise over a sea of clouds, set amid Malaysia’s rich ...