Several Supernovas Exploded Near Earth 10 Million Years Ago
Once every 50 years, more or less, a massive star explodes somewhere in the Milky Way. The resulting blast is terrifyingly powerful, pumping out more energy…
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New Horizons Spacecraft Reaches Neptune Orbit Crossing Milestone
NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make…
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Landing Site Search Narrows for Rosetta’s Philae Lander
Using detailed information collected by ESA’s Rosetta spacecraft during its first two weeks at Comet 67P/Churyumov-Gerasimenko, five locations have been identified as candidate sites to set…
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Keeping the Webb Space Telescope Cool
Here on Earth, under the protection of the layers of our atmosphere, we can still find the heat from the Sun sometimes almost unbearable. This is…
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Ozone-Depleting Compound From Unknown Source Found in Earth’s Atmosphere
NASA research shows Earth’s atmosphere contains an unexpectedly large amount of an ozone-depleting compound from an unknown source decades after the compound was banned worldwide. Carbon…
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Earth’s Ice Sheets Now Losing 500 Cubic Kilometres a Year
Measurements from ESA’s CryoSat mission have been used to map the height of the huge ice sheets that blanket Greenland and Antarctica and show how they…
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Rare Type of Black Hole Uncovered in RTXE Archival Data
Explore M82 X-1 and learn more about how astronomers used X-ray fluctuations to determine its status as an intermediate-mass black hole. Astronomers have uncovered rhythmic pulsations…
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Trigger of Nearby Supernova Sought by Chandra
New data from NASA’s Chandra X-ray Observatory offer a glimpse into the environment of a star before it exploded earlier this year, and insight into what…
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First Potential Interstellar Space Particles Found in Stardust Aerogel
Seven rare, microscopic interstellar dust particles that date to the beginnings of the solar system are among the samples collected by scientists who have been studying…
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Rhea Transiting Saturn
Saturn has a great many more moons than our planet – a whopping 62. A single moon, Titan, accounts for an overwhelming 96% of all the…
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