The answer, obviously, is really, really fast. Here, Universe Today's Fraser Cain tells us exactly how fast, and gives us answers to a few other things you may have wondered about before. For instance: how much lighter are you on a spinning Earth as opposed to a stationary one?

Commander Chris Hadfield has been tweeting photos from the International Space Station for months now, and many of his images are utterly gorgeous. Like this one, of a Bolivian lake whose shoreline looks like what Hadfield called "dinosaur teeth." What do you think are the most photogenic features of Earth from space?

Most people know that Earth's landmasses once formed single supercontinent, but how said continent peeled away from itself – or the extent to which Earth's continents remain connected – is not always immediately apparent. That's where the Dymaxion map comes in.

When it comes to space, perspective is everything. We've talked about the importance of scale in the past – about how, when separated by millions of miles of space, many objects in our solar system can seem unrelatably gigantic. It's what makes images like this one so eye-opening.

This is wild. NASA's recently deployed Van Allen probes — a pair of robotic spacecraft launched just last August to investigate Earth's eponymous pair of radiation belts — are already turning out some very unexpected findings. Chief among them: an ephemeral third ring of radiation, previously unknown to science,…

For all intents and purposes, Earth only has one natural satellite, namely the Moon. But that still leaves room for Trojan asteroids, objects stuck in the same orbital resonance, and even tiny asteroids that really do temporarily orbit our planet.

There's a reason we only ever see one side of the Moon. It's tidally locked to the Earth, presenting only one side to us as it orbits around the planet. Tidal locking is a fate that befalls lots of planetary bodies, and it can wreak havoc on the surface.

It's Christmas morning, and you probably have the day off — but NASA satellites are still hard at work; this just-released image gives a view of the planet's weather this morning as it was seen by the Agency's GOES East satellite.

Scientists have long believed that Earth's moon was born with a bang, in a colossal planetary collision commonly dubbed "The Big Splat." A study published in the latest issue of Nature all but confirms this violent hypothesis — but two additional studies published today in Science make the story of the Moon's origins far …

It sounds like the call of an extraterrestrial bird species, but the recording featured in the video up top (and the player, down below) is actually made by our very own planet. Scientists call the eerie sequence of quavering whooping sounds "chorus" — and this is one of the clearest examples of the phenomena NASA has …