As we await a close-up view of comet Siding Spring making its closest approach with Mars, astronomers on Earth have been busy doing some of their own comet spotting from afar. Continue reading →
The European Space Agency's Rosetta spacecraft has sent home several spectacular images that show a large pyramid-shaped boulder studding the surface of its target comet.
At a distance of only 10 miles from comet 67P/Churyumov-Gerasimenko's surface, the European Rosetta mission has captured yet another dazzling self portrait with the dark comet lurking in the background. Continue reading →
A comet will give Mars a historically close shave next weekend, and NASA aims to be ready for the dramatic cosmic event.
Trace quantities of hydrogen in white dwarf atmospheres has baffled astronomers -- could its presence be down to raining comets from exo-Oort clouds? Continue reading →
Orbiting comet 67P/Churyumov-Gerasimenko at a distance of only 16 miles, the European Space Agency's Rosetta spacecraft imaged several discreet jets blasting from the lumpy comet. Continue reading →
A new investigation in the quest to learn if Mars ever supported life begins this weekend with the arrival of NASA’s MAVEN spacecraft.
An international team working on an unprecedented mission to orbit and land on a comet will attempt a touchdown on the smaller of the comet’s two lobes, a site tentatively named 'J', Rosetta scientists announced on Monday.
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