As Ceres and Pluto slowly come into view, take a look back at what we thought these worlds would look like up close.
As NASA's trailblazing Dawn mission approaches dwarf planet Ceres, a new series of images beamed back show intriguing details.
Venus may have once possessed strange oceans of carbon dioxide fluid that helped shape the planet's surface.
Mars' atmosphere is often viewed as frigid and unchanging, but in studies of the red planet's aeolian processes, nothing could be further from the truth -- particularly where Martian dust devils are concerned. Continue reading →
Just 14 million years after the start of the solar system, Earth and the rest of the inner planets were inundated with water, setting back the clock for when life could have evolved.
Scientists have found two families of comets in the developing Beta Pictoris star system, located about 64 million light-years from Earth, including one group that appears to be remnants of a smashed-up protoplanet.
The first-ever photos of water ice near Mercury's north pole have come down to Earth, and they have quite a story to tell.
Titan's mysterious south pole vortex is much colder than expected... and it's laced with a highly toxic compound. Continue reading →
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