How on Earth did we start using “once in a blue moon”?
The moon does turn "blue" sometimes, but this idiom doesn't really refer to its color.
Tag: Moon
A Big Blue Marble. A History of Earth from Space
Over 70 years as humanity has begun to explore space, we have upon occasion, turned our gaze back to our ...
Jupiter now has 92 moons: the new solar system lunar king
Jupiter has one-upped Saturn for now.
NASA finally launches the most powerful rocket in history mission around the Moon. Here’s what you need to know
This is the first practical step towards bringing NASA astronauts back to the Moon after more than 50 years of ...
CAPSTONE paves the way: NASA’s tiny satellite reaches the Moon to test orbit for future space station
A lot is riding on this 55-pound machine.
The Moon has so much potential, but not so much usable space — how can it be used reasonably?
Can we all get along on the Moon?
Moon could have formed in mere hours, NASA says
New study finds our Moon could have developed insanely fast.
What would happen if the moon actually disappeared?
The moon isn't just a pretty face.
Chinese scientists release the most detailed geological map of the Moon to date
The very detailed map has been released and is free to use.
In the future, moon astronauts could look to volcanoes for their water supplies
There's no liquid water on the surface of the moon -- but that doesn't mean there's no way to get ...
The Moon’s dark spots were caused by a huge asteroid impact billions of years ago — on the other side
The shock and heat pushed certain minerals all the way through the Moon.
The moon has a new crater — this time, created by a rogue rocket
Astronomers have tracked the rocket for many years, but its origin is still contested
China builds the world’s first artificial moon
Scientists will use the new moon to aid in future interstellar colonization.
Earth’s oldest rock was actually found on the moon and brought home by Apollo 14
The rock was jettisoned to the moon when early Earth was pounded by daily meteorite impacts.
Astronomers find moon-forming disk around exoplanet
The revolving disk holds enough matter to seed three moons the size of Earth's.
Why don’t satellites fall down from the sky?
They keep falling, but not down.
Changes in moon’s ‘wobble’ could cause record floods in 2030
The moon wobbles in roughly 18-year cycles like a rocking ship as it orbits Earth. Next cycle could exacerbate rising ...
NASA says U.S. coastal cities should expect frequent high-tide floods by mid-2030, and the Moon is partly to blame
We're more to blame but that doesn't make for catchy headlines.
We’ve found a dead star that’s about as large as the Moon, but weighs more than the Sun
Space is full of surprises.
Chinese rover finds weird shard-shaped rock on the far side of the moon
It may have been formed by a meteor impact.
