Astronomy
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A Cassini image of vaporous, icy jets emerging from fissures on Enceladus. Credit: NASA/JPL/SSI; Mosaic: Emily Lakdawalla For years researchers have been debating whether Enceladus, a tiny moon floating just outside Saturn's rings, is home to a vast underground ocean. Is it wet, or not?
logy Magazine
Diamond Planet Discovered By Astronomers (VIDEO)
The nursery song "twinkle twinkle, little star" might have a whole new meaning now that astronomers have found a planet they believe to be made almost entirely of diamonds. Scientists say the planet exists about 4,000 light years away from Earth, and is probably the remnants of a once-large dead star, Reuters reports . (Scroll down for video.) "The evolutionary history and amazing density of the planet all suggest it is comprised of carbon," Matthew Bailes of the University of Technology in Melbourne told Reuters. He calls it "a massive diamond orbiting a neutron star every two hours in an orbit so tight it would fit inside our own Sun." As to what the diamond planet looks like, Ben Stappers of the University of Manchester told The Macadonean International News Agency (MINA) it's probably not what everyone pictures: "I don't know I could even speculate.
Mars
HubbleSite -- Out of the ordinary...out of this world.
The Webb Space Telescope, Hubble's successor, will see in infrared, the light emitted by the farthest objects we can detect. Learn about Webb, its technology, and the science it will reveal.
Jupiter
MESSENGER2011 Did you know, Mercury's outer core is now known to be fluid, but its radius & the nature and radius of any solid inner core remain TBD. 56 days ago · reply · retweet · favorite
MESSENGER - Unlocking the Secrets of Mercury
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: It was visible around the world. The sunset conjunction of Jupiter and Venus was visible last week almost no matter where you lived on Earth.
Saturn