AmericaSpace Launch Countdown

Next Launch AFSPC-4 on a Delta 4 - Medium+ rocket from Cape Canaveral AFB, FL scheduled for 25 Jul 14 22:55:00 GMT

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The Menace of the Asteroids. Part 1: The Risks

Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling

Of the several hundred thousand asteroids known, about 9,000 are of the near-Earth variety, and of these more than 1,300 fall into the category known as potentially hazardous asteroids (PHAs). To qualify as a PHA, an asteroid must be able to come [...]

NEOs: Too Close For Comfort?

Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling

Be afraid – but not too afraid. It’s true that at some point, if we don’t take steps to prevent it, a big dumb object is going to smash into the Earth so hard that civilization as we know it will be [...]