After a back-to-back days of thunderstorms, we were treated to a beautiful sight as the sun set. As the storms moved out, a roll cloud moved in. Known for their low and horizontal cylindrical ...

Overnight lows with be in the upper 40s and low 50s in the Susquehanna Valley with highs in the upper 70s and low 80s on Thursday.

Works by Hisako Hibi, Miné Okubo and Miki Hayakawa are featured in "Pictures of Belonging" at the Smithsonian American Art Museum.

The cloud, named Eos after the Greek goddess of dawn, had eluded researchers because it contains very little carbon monoxide ...

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the closest to Earth and the sun.

An enormous glowing cloud that contains approximately 3,400 solar masses worth of gas has been discovered near the solar ...

If you’ve ever looked up while an airplane flies overhead, you’ve probably noticed those long, wispy white lines trailing behind. These ...

Scientists have uncovered a colossal, previously hidden hydrogen cloud, named Eos, just 300 light-years from Earth — the ...

Crepuscular rays — whose name derives from the Latin word for twilight — are an optical phenomenon caused by sunlight shooting through gaps in clouds or other obstacles. In the case of Monday after ...

Dramatic skies over Manhattan as a spectacular thunderstorm rolled across New York City on Saturday. Stunning drone footage ...

A charm on the horizon. After the downpour, good weather returned and Rome discovered a sky with enchanting colors. What ...

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, ...