Nautical twilight is a deep dusk — dim bluish sky, bright planets visible. In civil twilight, the sky is light all over though the sun is not visible.

A military aircrew on a long flight may have, yet again, passed the time by sketching genitals across the sky.

Nautical twilight is a deep dusk — dim bluish sky, bright planets visible. In civil twilight, the sky is light all over though the sun is not visible.

To capture the Milky Way in a blue sky like this, photographers need the right combination of elements: nautical twilight, a clear southern horizon and the right time of year.

By Sam Sifton Sarah Copeland’s sweet and spicy tofu with soba noodles.Credit...David Malosh for The New York Times. Food ...

Nautical Twilight you’ll probably need some form of light to see easily even though the sky is turning lighter or just beginning to darken during dusk.

Nautical twilight is defined to beginin the morning, and to end in the evening, when the center of the sun isgeometrically 12 degrees below the horizon, about 60 to 80 minutes beforesunrise or ...

The sky features the full Strawberry Moon on Saturday, while Venus, Mars, Saturn and eventually Jupiter are visible during the month.

For the more than 100,000 years, humans have been on Earth, we have looked up at night and seen the stars and our celestial ...

We know twilight is the light seen before sunset or after sunrise. Did you know there are different types of twilight? Let's take a look!

Nautical twilight persists longer, until the Sun is 12° down. That’s when a mariner can’t distinguish between sea and sky. Colors are now gone.

Nautical twilight lasts all night throughout the month in Lat. 56° N. Conditions for scanning the night skies this month are therefore much restricted.