An inside look at the dust-analyzing instrument that will fly on NASA's upcoming mission to the ocean-harboring Jupiter moon.
A series of laboratory tests show that some terrestrial bacteria would adapt well to the salty and sulfate-rich ocean believed to exist beneath the hard icy shell of Europa.
After creating 2 maps of Jupiter's dynamic atmosphere, astronomers using the Hubble Space Telescope saw some interesting detail they they can't immediately explain.
The big moons of Jupiter may have oceans underground. Although they are driven by the same mechanism, their nature can be radically different.
If you see a bright light just above the horizon at sunrise, don't panic! It's not a UFO — it's probably just Venus. Continue reading →
Scientists have long puzzled over how gas planets like Jupiter and Saturn got to be so big -- now they think pebbles may be the answer.
The newly discovered planet called 51 Eridani B is about twice the mass of Jupiter, and orbits a star about 97 light-years from Earth.
What tiny satellites could take a ride over to Europa? Here are five feasibility studies being considered to hitchhike on a NASA mission.
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