planet
A Dark and Dusty Avalanche on Mars
Mars may be geologically inactive but that doesn't mean there's nothing happening there -- seasonal changes on the Red Planet…
A Volcanic View of Mercury
Here on Earth we're used to seeing volcanoes as towering mountains with steam-belching peaks or enormous fissures oozing lava. But…
Feast Your Mind on This: Strange “Brain Terrain” on Mars
It doesn't take much thought to understand why this landscape on Mars is called "brain terrain" -- the swirling lobes…
A Mercurial Milestone: 1,000 Featured Images from MESSENGER!
It's been nearly two and a half years since the NASA-sponsored MESSENGER mission entered orbit around Mercury -- the first…
On the Edge of Tyagaraja
Here's a rather interesting view from orbit around the innermost planet: Mercury's Tyagaraja crater, the interior of which is seen here…
Venus’ Winds Are Mysteriously Speeding Up
High-altitude winds on neighboring Venus have long been known to be quite speedy, whipping sulfuric-acid-laden clouds around the superheated planet…
How Old Is The Earth?
This article comes from the Universe Today archive, but was updated with this spiffy video. How old is the Earth?…
Mercury Shows Off Its Reds, Whites, and Blues
At first glance, the planet Mercury may bear a striking resemblance to our own Moon. True, both are heavily-cratered, airless…
Time-Lapse: Earth
If you couldn't tell, we love time-lapse videos... whether they're made of photos looking up at the sky from Earth…
MESSENGER Sees a Smoother Side of Mercury
During its two years in orbit around Mercury -- as well as several more years performing flybys -- the MESSENGER…