Asteroids
We are not Alone: Government Sensors Shed New Light on Asteroid Hazards
How hazardous are the thousands and millions of asteroids that surround the third rock from the Sun – Earth? Since…
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?…
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…
Building A Space Base, Part 1: Why Mine On The Moon Or An Asteroid?
So can we get off of Earth already and start building bases on the Moon or an asteroid? As highlighted…
Earth Dodges a Bullet — New Radar Images of Asteroid 2014 SC324
Looks like we dodged a bullet. A bullet-shaped asteroid that is. The 70-meter Goldstone radar dish, part of NASA's Deep…
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Why Watch ESA Rosetta’s Movie ‘Ambition’? Because We Want to Know What is Possible
NASA has taken on space missions that have taken years to reach their destination; they have more than a dozen…
Asteroid 2014 SC324 Zips By Earth Friday Afternoon – Tips on How to See it
What a roller coaster week it's been. If partial eclipses and giant sunspots aren't your thing, how about a close flyby…
Questioning the Impact Theory: What Really Killed the Dinosaurs?
About sixty five and a half million years ago, the Earth suffered its largest known cosmic impact. An asteroid or…