If a material is thicker, it should be less transparent, right? It turns out that in Saturn's rings, that's not always the case.
Like the icebergs that float in Earth's Arctic Ocean, it seems Pluto has water ice 'hills' that float atop an ocean of frozen nitrogen.
A network of small, ground-based telescopes hunting the night-time skies for transient supernovas fished out a whopper -- a one-of-a-kind cosmic explosion that at its peak blasted out more light than 50 times all the stars in the Milky Way galaxy.
Is this a mystery for Mulder and Scully? Probably not, but it demonstrates how surprisingly dynamic Pluto's icy surface really is.
As the Arctic descends into 24 hour darkness, a strange iridescent phenomena popped up over a Norwegian town.
Giant mountains found on Pluto are believed to be volcanoes that spewed out ice and other volatiles, new research presented on Monday shows.
Deep inside the Tarantula Nebula, some 160,000 light-years from Earth, live a pair of very strange stars.
New maps of Ceres show the dwarf planet's mysterious bright spots and huge, pyramid-shaped mountain in a new light.
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