Solar System
‘Not All Hope Is Lost’: NASA Sun Probe Silent Now For Six Weeks
No one knows exactly why a NASA solar probe stopped talking to Earth six weeks ago, but it's possible the…
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Orion’s Rocket Ready to Rock n’ Roll for Critical December Test Flight
The huge rocket that will blast NASA’s first Orion spacecraft into orbit is ready to Rock ‘n’ Roll on a…
‘Naked’ Comets Could Expose Solar System’s Ancient Origin Story
What's a comet that doesn't look like a comet? The question sounds contradictory, but astronomers believe these objects exist. As…
How Dust Lightens Up The ‘Dark Side’ Of Rosetta’s Comet
How do you see a side of a comet that is usually shrouded in darkness? For the plucky scientists using…
Mars Habitability? Curiosity Rover Spots Intriguing Mineral On Red Planet
NASA's Curiosity rover has struck hematite -- an iron-oxide mineral often associated with water-soaked environments -- in its first drill…
Building A Space Base, Part 3: Making Remote Robots Smart
We're still a few years away from the cute robots in Moon or Interstellar that help their human explorers. But…
Building A Space Base, Part 2: How Much Money Would It Take?
How much would it cost to establish a space base close to Earth, say on the Moon or an asteroid?…
Comet Landing Countdown: Why ‘Agilkia’ Is The New Name For Philae Touchdown Site
After sifting through 8,000 entries in multiple languages -- even in Esperanto! -- the contest to name Philae's landing site…
How an Ancient Angled Impact Created Vesta’s Groovy Belt
When NASA's Dawn spacecraft arrived at Vesta in July 2011, two features immediately jumped out at planetary scientists who had been so…
Titanic Liquid: Blinding ‘Sunglint’ Shines On Saturn’s Swampy Moon
See that yellow smudge in the image above? That's what the Sun looks like reflecting off the seas of Titan,…