Heavy metal ferroelectric "snow" may cover Venus' highest mountain peaks, boosting the alien nature of Earth's weird 'twin.' Continue reading →
It's as if Titan is getting festive for Hallowe'en -- astronomers have detected a ghostly glow around the the north and south poles of the Saturnian moon that had previously gone undetected. Continue reading →
As comet Siding Spring speeds away after its Martian encounter on Sunday, our armada of satellites have reported in to signal that they are OK.
The HiRISE camera on board NASA's Mars Reconnaissance Orbiter (MRO) has become the first instrument orbiting Mars to beam back images of comet Siding Spring's nucleus and coma. Continue reading →
Astronomers using the Hubble Space Telescope have located at least one and possibly three Kuiper Belt objects that NASA’s New Horizons spacecraft can reach after its flyby Pluto next year. Continue reading →
Comet Siding Spring will make a heart-stopping close flyby of the Red Planet in Sunday, giving our Martian armada of robotic explorers a ring-side view of the spectacle. Continue reading →
The first-ever photos of water ice near Mercury's north pole have come down to Earth, and they have quite a story to tell.
Early results from NASA’s recently arrived MAVEN Mars spacecraft show an extensive, tenuous cloud of hydrogen surrounding the red planet, the result of water breaking down in the atmosphere.
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