We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to ...

YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

July's full "Buck Moon" will be at its fullest on Thursday, July 10, and will be best seen at moonrise. It is the farthest ...

Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

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

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...