Gaia’s First Full-Color All-Sky Map
While surveying the positions of over a billion stars, ESA’s Gaia mission is also measuring their colour, a key diagnostic to study the physical properties of…
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The End Is in Sight: Cassini’s Grand Finale Happens Next Month
NASA’s Cassini mission will come to a spectacular close on September 15, 2017 at 5:07 a.m. PDT after almost two decades in space since its launch…
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Cassini at Titan: A World Unveiled
Saturn’s giant, hazy moon Titan has been essential to NASA’s Cassini mission during its 13 thrilling years of exploration there. Cassini and the European Huygens probe…
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A Partial Solar Eclipse Seen From Space
Thanks to a quirk of our cosmos, the Moon’s average distance from Earth is just right for it to appear as the same size in the…
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Where Do Cosmic Rays Originate?
Hold out your hand for 10 seconds. A dozen electrons and muons just zipped unfelt through your palm. The ghostly particles are what scientists call “secondary…
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Asteroid 2012 TC4 to Flyby on October 12, 2017
A small asteroid flying past Earth on 12 October will provide scientists with a valuable opportunity to learn more about its orbit and composition. The campaign…
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Preserving a Complex Volcanic and Tectonic Past on Mars
An ancient mountain range on Mars preserves a complex volcanic and tectonic past imprinted with signs of water and ice interactions. The images, taken on 9…
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A Guide to Gale Crater on Mars
The Curiosity rover has taught us a lot about the history of Mars and its potential to support life. Take a tour of its landing site,…
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The August 7, 2017 Partial Lunar Eclipse
There’s a partial Lunar Eclipse happening today but it will be very difficult to see as it happens during daylight hours in Western Europe. Only a…
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New Clues to Universe’s Dark Matter and Dark Energy Structure Revealed
What is our universe made of, and has its composition changed over time? Scientists have new insights about these fundamental questions, thanks to an international collaboration…
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