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“Solar System”

Apr 21, 2015 02:00 PM ET // Joe Rao, SPACE.com Skywatching Columnist
This evening will be another one of those special occasions when the two brightest objects in the night sky — the moon and a Venus — will get together and, weather permitting, will attract a lot of attention, even to those who normally do not spend much time in gazing up at the sky.
Apr 16, 2015 01:49 PM ET // Ian O'Neill
A ghostly apparition has long been known to follow Saturn moon Enceladus in its orbit around the gas giant. But until now, scientists have had a hard time tracking its source.
Apr 16, 2015 04:42 PM ET // Ian O'Neill
As this stunning series of observations from NASA's Dawn mission shows, sunlight is returning to Ceres' surface, allowing the spacecraft its first view of the tiny planet after being hidden in its shadow for more than a month.
Apr 16, 2015 02:00 PM ET // Irene Klotz
NASA’s MESSENGER spacecraft is in the final days of an unprecedented and unexpectedly long-lived, close-up study of the innermost planet of the solar system, with a crashing finale expected in two weeks.
Apr 15, 2015 02:00 PM ET // Irene Klotz
The jostling of the giant planets Jupiter and Saturn in the solar system’s early days may have delivered a Mercury-type building block to baby Earth, providing the planet with the chemistry to heat its convecting, liquid metal core to this day
Apr 15, 2015 01:31 PM ET // Ian O'Neill
This is the first color photo of Pluto and moon Charon captured by NASA's New Horizons mission, providing an exciting clue as to what lies in store during the spacecraft's flyby on July 14.
Apr 9, 2015 04:12 PM ET // Ian O'Neill
Astronomers have taken a census of distant spiral galaxies to help us understand what our Milky Way may have looked like in the distant past, also providing us with an invaluable look at the evolution of our own solar system.
Apr 8, 2015 02:58 PM ET // Irene Klotz
Glaciers beneath the dusty sands of Mars contain enough water to coat the planet with more than three feet of ice, a new study shows.
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