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.

Crepuscular rays — whose name derives from the Latin word for twilight — are an optical phenomenon caused by sunlight ...

Cumulus clouds are individual clouds. That means you usually see separate clouds when they develop instead of just a gray sky. Usually ... the atmosphere after the Sun heats the ground.

Do you know what those rays of sunlight are called that shine through openings in the clouds? Meteorologist Derek Witt has ...

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

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The Omega Block is still unmoving across the country, leading to those summerlike conditions sticking around the area. With the sky lacking clouds and the sun beating down, it is advised to use ...

As North Texans head into the second half of the week, the active weather pattern isn't going anywhere. North and Central Texas will remain in a warm, moist environment, which will keep thunderstorm ...