Friday in D.C. occupied a special spot between May Day and Derby Day, and seemed to rise to the atmospheric occasion. It ...

At these heights, the atmosphere is cold enough that clouds are typically composed of ice crystals, not water droplets. These clouds often look thin, wispy, and delicate—but they can provide valuable ...

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ...

An international team of researchers has discovered a massive molecular cloud that, if we could see it in our sky, would ...

Named Eos, the cloud of gas would appear huge in the night sky if visible to the naked eye and could shed light on solar ...

On Saturday, the sky above the District seemed to be about three things, each of them worthy of attention. They were rain, ...

The formation of a horseshoe vortex cloud was witnessed in Norman, Oklahoma, on Friday morning, by storm chaser Connor ...

A good estimation of the cloud tops is like the finest gold, especially for pilots flying under IFR during the winter months.

Binghamton residents may have noticed strange circular contrails in the sky above. Another News 34 viewer submitted photos of the event.

The artist has presented clouds in her previous artworks before, but in these recent pieces, she shows them in a peaceful state, instead of the stormy angst her previous works depicted. Image source: ...

The Northern Lights were spotted in the UK on Tuesday - and could return again tonight. Known as the aurora borealis, they are typically seen further north in countries like Iceland and northern ...