The Mars Science Laboratory, or Curiosity rover, lifted off from the Cape Canaveral Air Force Station in Florida. After an 8 1/2-month journey, the rover is expected to arrive at the Red Planet in August 2012.
Thursday's test flight of the Falcon HTV-2 ended with signals lost and a crash landing into the Pacific – but not before it sent engineers half an hour of flight data. The Pentagon hopes the design will allow a non-nuclear response to threats anywhere in the world, within one hour.
The Pentagon – belatedly, perhaps – outlines its 'Strategy for Operating in Cyberspace.' A slim unclassified document emphasizes a defensive posture, leaving many questions unanswered.
The solar storm caused by a massive eruption two days ago arrived at Earth Wednesday, but it was only a taste of what scientists say might come – and the world is not prepared.
A yet-to-be-released Pentagon document on cyberwar reportedly lays out when the US would respond with conventional force to a cyberattack: when infrastructure or military readiness is damaged.
The National Research Council has just unveiled planetary scientists' space-mission wish-list for the next 10 years. Tight federal budgets will provide the reality check. Here's a sampler of missions the panel recommends NASA undertake this decade.