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.

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

Discover how cloud height and timing affect Earth's surface temperatures. Learn about cloud cover's impact on temperatures.

Expect the day ahead to feature more clouds than sun as we go throughout the morning with temperatures remaining in the mid 70s by midday. Highs this afternoon will likely touch the low 80s with a ...