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.

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

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

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 ...

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

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

Scientists have discovered a potentially star-forming cloud and called it "Eos." It is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected.

British scientists could experiment with techniques to block sunlight as part of a £50 million government funded scheme to ...

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 ...