Once you understand how certain clouds develop their shapes, you can learn to forecast ... In some cases, you can see the Sun or Moon through them. Cirrus clouds that forms atop a thunderstorm ...

Scientists found that some slopes on the Moon stay cold enough to hold ice. This could expand water sources for future space ...

Like all eclipses, there are different phases to monitor during ... creating a crescent shape in which it appears the moon is taking a “bite” out of the sun. The partial solar eclipse later ...

Throughout the month, as the Moon rotates and orbits, day and night occur on different parts of its surface ... view takes on a series of familiar shapes: crescent, half-moon, full, and more.

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d ...

"Eclipses can only occur during certain times of the year depending on the shape ... different times of day that we see. Even though it blocks sunlight from directly reaching the moon during ...

The astronauts will be checked out by flight surgeons as they adjust to gravity, officials said, and should be allowed to go ...

Sky-gazers across the Western Hemisphere will be in for a celestial treat this week when the full moon appears to turn ...

“This distinction sets up a great natural experiment for us to see if the shape, or size, of bends in rivers is distinct from ...