The fact that twilight exists at all on Earth is due to ... than 6 degrees below the horizon, therefore Civil twilight stretches for nearly 5 hours from sunset to sunrise the next day – it ...

Cell phone images are fine. Email it to [email protected]. The article Sunrise Sears The Horizon, Paints Clouds Across Sky: Photo Of The Day appeared first on San Mateo Patch.

The five planets that adorned the morning sky last month are now going their separate ways. Mercury slips behind the sun on March 23, and Venus glides into the sun’s foreglow as it heads for ...

Venus, the brightest planet we see from Earth, will reach its maximum brightness in the evening on the western horizon after ...

While most didn’t observe the 30-second shift, it does make Wednesday, Feb. 19, the first day of the year when the sun ...