![](http://static.ddmcdn.com/gif/recipes/enceladus-n200-140403.jpg)
Scientists have announced the discovery of a sub-surface
ocean on the Saturnian moon Enceladus -- explore the tiny world's icy
surface and water ice geysers in this stunning collection of images from
NASA's Cassini mission.
![](http://static.ddmcdn.com/gif/recipes/enceladus-200-140403.jpg)
Gravity measurements indicate the small moon Enceladus has an
ocean sandwiched between its rocky core and icy shell, a finding that
raises the prospects of a niche for life beyond Earth.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2014-04-asteroid-dust-200x200-140402.jpg)
It can be stressful being a small asteroid -- not only do
they risk collision with the planets any time, they are also slowly
being eroded by the sun.
![](http://static.ddmcdn.com/gif/recipes/moon-earth-rise-200-140402.jpg)
Earth’s finishing touch came with a wallop when a Mars-sized
hunk of real estate crashed into the fetal planet some 95 million years
after the birth of the solar system -- later than some astronomers
thought -- sending up debris that eventually formed moon.
![](http://static.ddmcdn.com/gif/recipes/galactic-cannibal-200-140402.jpg)
NGC 1316 has a lot of skeletons in its closet -- literally.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2014-04-cmb-200x200-140401.jpg)
Last month's BICEP2 discovery of gravitational waves is
compelling evidence for the inflationary period just after the Big Bang.
But what if there's another explanation?
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