You may see a round, red moon on the day whose digits, 3/14, look like an approximation of the mathematical constant related ...

Throughout the year, ArchDaily's team of curators works on expanding and populating our project library. Located all around the world, each curator carefully considers the best works emanating ...

You won't see a majestic line of planets on Jan. 25 the way people on social media are promising, but you will see four bright planets if you look up.

The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's ...

Sitting low on the horizon, a full moon sometimes look close enough to reach out and grab. But our worldly perceptions deceive us. The airless chasm between Earth and the moon is so vast ...

The latest astronomical marvel will take place across our skies over the next few days, with no fewer than six planets set to ...

In fact, the tidal force of the sun is almost half (46%) that of the moon. When the moon, sun, and Earth line up, we see either a full moon (if we're between the moon and the sun) or a new moon ...