Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This ...

As of Wednesday, July 2, the moon phase is First Quarter. According to NASA's Daily Moon Observation, 48% of the moon will be ...

It's the last moon in June, and there are plenty of geological features to see, even without a telescope, all thanks to the ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

China's Tianwen-2 probe has commenced its decade-long deep space mission, capturing a stunning image of Earth and the Moon ...

The sun, Earth and the moon are aligned ... To predict the magnitude of the tide we will also consider the position of the sun. Additional moon phase resources NASA's SkyCal Events Calendar offers a ...

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight.

NASA's new "CODEX" telescope has snapped its first photos of the sun's outer atmosphere, revealing previously imperceptible ...

On July 4, Mercury will reach its greatest eastern elongation from the Sun, making it visible from Earth. While not as bright ...

Texans who missed this month's Strawberry Moon should mark their calendars as another stunning sky spectacle is set to occur soon. A full "Buck Moon" will rise next week, kicking off July with a ...

By measuring lunar reflectance, NASA's Arcstone mission seeks to establish a universal standard for satellite calibration, ...

Another Indian-origin astronaut has been chosen for NASA 's next crew mission. Anil Menon will be flying to the International ...