Delta 4

Orion capsule completes epic space journey

Boosted to an altitude of 3,604 miles by a Delta 4 rocket, NASA’s Orion deep space exploration vehicle fell back to Earth Friday in the program’s maiden voyage, slamming into the atmosphere at nearly 20,000 mph, enduring a hellish 4,000-degree re-entry and settling to a Pacific Ocean splashdown to wrap up a critical unmanned test flight.

News

Loss of contact with Philae

A few moments after the pirouette, battery voltage suddenly plummeted and engineers said the end was near. Trapped between a rock and a dark place beyond its ability to survive, Philae dutifully sent back stored data and even made fresh measurements until finally, just after 7:30 p.m. (EST-5), contact was finally lost.

News

Comet lander’s batteries near exhaustion

Trapped in rough, forbidding terrain with its solar panels draped in shadow, the Philae comet lander raced the clock Friday to carry out high-priority science operations, including an attempt to drill into the surface of the nucleus, before exhausting its on-board batteries and effectively losing consciousness.

Mission Reports

Station trio set for return to Earth

A veteran cosmonaut, a German volcanologist and a Navy test pilot-turned-astronaut whose mastery of social media earned him — and NASA — a global following, bid their space station crewmates farewell and sealed the hatch of their Soyuz ferry craft, setting the stage for undocking and a fiery trip back to Earth to close out a 165-day stay aboard the International Space Station.