There's a problem with Venus. We don't know how fast it rotates. For a space-faring civilization like ours, that's a…
From some viewpoints, Mars is kind of like a skeleton of Earth. We can see that it had volcanoes, oceans,…
Jupiter's moon Io is in stark contrast to the other three Galilean moons. While Callisto, Ganymede, and Europa all appear…
The Cassini spacecraft ended its mission to Saturn and its moons two years ago when it was sent plunging into…
Earth's magnetic poles drift over time. This is something that every airplane pilot or navigator knows. They have to account…
Pluto is getting some new names. In the past, prior to the New Horizons mission, there wasn't much to name.…
Some lakes on Titan have ring-like shapes around them, and scientists are trying to find out how they formed. Understanding…
On Earth, clouds form when enough droplets of water condense out of the air. And those droplets require a tiny…
To say there are some myths circulating about Martian dust storms would be an understatement. Mars is known for its…
Ceres, at almost 1,000 km (620 miles) in diameter, is the largest body in the asteroid belt. Between 2015 and…