Valley temperatures will be in the upper 40s to low 50s early Friday morning. A cool breeze will be noticeable in the delta ...

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

The discovery of Eos, the closest known molecular cloud to Earth and one of the largest structures in the night sky, hints at ...

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

Live updates from Monday night’s back-to-back ULA Amazon and SpaceX Starlink launches from Cape Canaveral Space Force Station ...

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

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

SpaceX has just launched the Falcon 9 carrying 23 Starlink satellites from KSC, illuminating the nighttime sky. Update 10:28 ... launch opportunity are cumulus clouds associated with nearby ...