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Much like how the flow of water on Earth carved out the shape of the land, so too did it sculpt the surface of Mars, once upon a time.
NASA releases impressive before and after images of some of Saturn's most famous moons, revealing modern color maps with gorgeous detail.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.
Scientists are studying a fascinating image of an unusual circular formation on Mars and trying to work out how it got there.
NASA has also released a brand-new video that describes why the icy moon's vast sea might just be the perfect place to find life beyond Earth.
Vesta, an asteroid the size of Arizona, gets its own geologic map showing its history of meteorite impact craters over its billions of years of existence.
Despite some challenges, humankind pulled off landing a spacecraft on a comet. If you were in charge of the next major space mission, where would you choose to go?
The shifting of Saturn's short days is on display in a NASA image of sunrise on the ringed planet, one of many dazzling portraits captured by the Cassini spacecraft.
Scientists have discovered that the universe contains twice as much infrared light than previously thought, helping us better understand the construction of space.
Saturn's captivating moon Titan once again draws the eye as NASA releases a color mosaic showing the sun shining on its polar seas.