If clouds are heavy, why don’t they just fall to the ground? There’s one key concept behind this. Meteorologist Robb Ellis explains.

You’ll be able to monitor SpaceX’s live video streams and allow a few minutes before glancing to the east-southeast.

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

and the only anomaly in the sky was the large flare. "However, the past few nights with the cold there has been a lot of steam that is visible from the cooling units over the refineries." ...

American space agency NASA publishes a short video showing iridescent clouds moving in the thin Martian atmosphere, as seen ...

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

Ever wondered about the white lines stretching across the sky? These are contrails—condensation trails formed by aircraft ...

UFO-shaped cloud displays have appeared over the sky in a rare sight for parts of ... a river when water flows over an obstruction. “If there is enough moisture in the air, the rising motion ...

Gravity wave clouds form in wave-like patterns in sky, oftentimes resembling ripples ... In order for the wave motion to continue and propagate forward, there's a key requirement.

There is an uncanniness to contrails ... Persistent spreading contrails are the most damaging, as these man-made clouds can blanket large swaths of sky, trapping heat in the atmosphere.

From there, the wind direction helps create ... them form into rows and often long lines in the sky. The pictures show smaller rows of Clouds Streets in the photos below. These cumulus clouds ...

UFO-shaped cloud displays have appeared over the sky in a rare sight for parts of the UK ... rather like ripples forming in a river when water flows over an obstruction. “If there is enough moisture ...