The night sky is an object of fascination for many, and the Princeton community is no exception. On select nights throughout ...

Visibility for SpaceX Falcon 9 rocket launch depends on weather and cloud cover. Sometimes liftoff from Cape Canaveral can be seen outside of Florida.

The moon's orbit is elliptical, or oval-shaped, meaning as its distance from our planet changes, its apparent size changes, ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Ever gazed up at the stars and felt that magical awe wash over you? As cities grow brighter, it's becoming harder to ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Where things stand: The chances of the asteroid hitting Earth currently stand at 2.1%, or about 1 in 47, and could fall to ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Look towards the west-southwest sky as darkness ... "The Moon and Venus are, respectively, the two brightest objects in the night sky and their close proximity to one another should create a ...

Look toward the southeastern ... on February 16th. On that night, Venus will be the brightest it will be this year. It should be the brightest object in the sky apart from the moon.