Ever wondered why the moon looks slightly different every night? This is to do with the lunar cycle. The lunar cycle is a ...

Moon phases are part of a 29.5-day lunar cycle, NASA tells us, caused by the angles between the sun, moon, and Earth. Moon phases are how the moon looks from Earth as it goes around us.

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the ...

Moon phases are part of a 29.5-day lunar cycle, NASA tells us, caused by the angles between the sun, moon, and Earth. Moon phases are how the moon looks from Earth as it goes around us.