A bombardment of asteroids on a once-icy ancient Mars may have created vast oceans of liquid water, which persisted for 200 million years.
It may not be the biggest crater on dwarf planet Ceres' surface, but it's certainly one of the most compelling.
We are in the middle of a double comet encounter -- do astronomers view this unprecedented event as a worrying near-miss? Or is it an exciting opportunity to learn more about these mysterious icy objects?
Big fireballs occur about once every two to three years. But smaller meteors are much more frequent.
There's a mountain on dwarf planet Ceres, but scientists have no idea how it got there.
While Earth can breathe easy for now, astronomers are on the lookout for a comet that may pose a threat to our planet in the distant future.
Leading up to the premiere of 'Telescope' on Discovery Channel this weekend, let's take a look at some of our favorite Hubble observations of the solar system.
We know of only one asteroid with rings around it -- but there are likely many, many more.
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