
Heart hazard for Apollo astronauts: study
NASA's Apollo astronauts, the only humans to have travelled beyond Earth's protective magnetosphere, die disproportionately of heart and blood vessel diseases, researchers said Thursday, blaming radiation. ... more
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Ancient eye in the sky
Light from a distant galaxy can be strongly bent by the gravitational influence of a foreground galaxy. That effect is called strong gravitational lensing. Normally a single galaxy is lensed at a ti ... more
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Solar-driven ionosphere charges may nudge stressed faults toward rupture
Stable black carbon in mangrove soils boosts coastal climate role
Low crystallinity iron minerals show promise for chromium cleanup and carbon storage
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White dwarf lashes red dwarf with mystery ray
Astronomers using the NASA/ESA Hubble Space Telescope, along with other telescopes on the ground and in space, have discovered a new type of exotic binary star: in the system AR Scorpii a rapidly sp ... more
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The Case of the Missing Ceres Craters
Ceres is covered in countless small, young craters, but none are larger than 175 miles (280 kilometers) in diameter. To scientists, this is a huge mystery, given that the dwarf planet must have been ... more
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Did the LIGO gravitational waves originate from primordial black holes
Binary black holes recently discovered by the LIGO-Virgo collaboration could be primordial entities that formed just after the Big Bang, report Japanese astrophysicists.
If further data suppor ... more
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Farewell Philae: Earth severs link with silent comet probe
Earth bid a final farewell to robot lab Philae on Wednesday, severing communications after a year-long silence from the pioneering probe hurtling through space on a comet. ... more
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Space... the final frontier
Fifty years ago Captain Kirk and the crew of the starship Enterprise began their journey into space - the final frontier. Now, as the newest Star Trek film hits cinemas, the NASA/ESA Hubble space te ... more
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