Jupiter and our moon will perform a celestial dance tonight, clear skies willing.
Salt from an underground sea on Jupiter’s moon Europa may be seeping onto the surface, then darkening as it is exposed to radiation.
The 'elusive planet' Mercury kicks off the month in the midst of its best evening apparition of 2015. But Mercury isn't the only visible planet this month.
The astronomical juxtaposition couldn't be any more stark: in the series of observations above, Jupiter's icy moon Europa passes in front of Io, fellow Jovian moon, but also the most volcanically active place in the entire solar system.
Humanity is on the verge of discovering alien life, high-ranking NASA scientists say.
When it comes to making planets as big as Jupiter, Mother Nature has kept her recipe secret. But scientists believe they have finally cracked the mystery.
Jupiter's early migration through the inner solar system caused gravitational mayhem, but it ultimately settled to allow Earth to form in a relatively quiet neighborhood.
There is an exclusive group of celestial bodies that are known to possess rings in our solar system -- now a second asteroid-comet hybrid has been found to sport one.
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