International Observe the Moon Night starts on Saturday, according to NASA. That event began in 2010 for lunar lovers around the world to join in celebration of Earth's natural satellite.

These changes in appearance are the phases of the moon. As the moon orbits Earth, it cycles through eight distinct phases. The four primary phases of the moon (new moon, first quarter, full moon ...

This week, the craft swung back to Earth on its way to Jupiter and used both Earth and the moon’s gravity to slingshot it onward, in the first lunar-Earth flyby. When you think about spacecraft ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...

The Harvest Moon, which has inspired no shortage of cultural touchstones – from a Nintendo game to Neil Young’s Billboard hit – occurs annually around the start of fall at a time when Earth ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Two eclipses will occur in the next few weeks—a lunar eclipse in the ...

Look at how the Earth's tilt changes how much sunlight the northern hemisphere receives. The Moon is always a sphere but you may have seen different shapes of Moon in the sky. These are called the ...

which also form the dial – the dial side shows the moon’s surface as seen from Earth, while the reverse shows the dark side that only astronauts get to see. The visible mechanical parts are ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Earth is getting a second moon—at least for a little while. This moon will come in ...

Museum planetary science researcher Prof Sara Russell explains the origins of Earth's closest companion. 'There used to be a number of theories about how the Moon was made and it was one of the aims ...

Lunar eclipses are a popular event for skywatchers worldwide. Lunar eclipses occur when Earth moves between the sun and the moon, casting a shadow across the lunar surface. Lunar eclipses can only ...

Although the rocks that record the earliest parts of Earth’s history have been destroyed or deformed over time by more than four billion years of geology, scientists can use modern rocks, moon samples ...