Astronomers discover a massive asteroid that could hit us in 2032

Mark August 26th, 2032 on your calendar, folks. Ukrainian astronomers have just detected a 1,350-foot-wide (410 meter) minor planet that’s headed our way. The impact risk is minimal, but it’s now the most serious near-term celestial threat to face our planet. » 10/17/13 9:00am 10/17/13 9:00am

There's a 50-50 chance of another 9/11-sized attack within a decade

As we approach the 11th anniversary of the 9/11 terrorist attack, we can be grateful that nothing like it has happened since. But that doesn't mean that something very much like 9/11 — or even worse — couldn't happen again. In fact, new research suggests that we may be seriously underestimating the risk of another… » 9/05/12 12:00pm 9/05/12 12:00pm

The Astronomer Royal tells io9 how he plans to save humanity from…

Back in 2003, the preeminent physicist and cosmologist Sir Martin Rees created a considerable stir with the publication of his book, Our Final Hour, a look into how "terror, error, and environmental disaster threaten humankind's future". Rees argued that we've grossly underestimated the potential risks posed by modern… » 7/09/12 11:22am 7/09/12 11:22am