NASA is readying the $1.1 billion Juno probe for launch Aug. 5 on a five-year voyage to Jupiter to kick off a challenging one-year mission to answer key questions about the formation and evolution of the solar system. Read More...

The shuttle Atlantis dropped out of a moon-dappled sky and settled to a flawless landing Thursday to close out NASA's 135th and final shuttle mission, the end of an era for American manned spaceflight. (UPDATED) Read More...

The crew of the shuttle Atlantis is gearing up for NASA's final shuttle re-entry and landing to close out three decades of shuttle operations. There are no technical issues and the weather appears ideal. Read More...

NASA braces for the space shuttle Atlantis' historic return to Florida Thursday, bringing the iconic program to an end after three decades and 135 missions. Read More...

The crew of the shuttle Atlantis, working through one of the busiest days of their mission, tested the ship's re-entry systems Wednesday and packed up for landing Thursday to close out NASA's final shuttle flight. Read More...

The crew of the shuttle Atlantis undocked from the International Space Station early Tuesday after a successful resupply mission, setting the stage for NASA's 135th and final shuttle landing Thursday. Read More...

The Atlantis astronauts moved the Raffaello cargo module back to the shuttle Monday, closing out a busy space station resupply mission. The crew then floated back aboard the orbiter to rig the ship for undocking early Tuesday. Read More...

The Atlantis astronauts put in a final day of logistics transfer work Sunday, working through off-duty time to finish moving a last few items into the Raffaello multi-purpose logistics module for return to Earth. Read More...

A United Launch Alliance Delta 4 rocket blasted off from the Cape Canaveral Air Force Station early Saturday, boosting an upgraded Global Positioning System navigation satellite into orbit for the Air Force. Read More...

Working through the home stretch of NASA's final shuttle mission, the Atlantis astronauts are focusing on repacking a cargo module for return to Earth and wrapping up logistics transfers to the space station. Read More...

Shuttle commander Christopher Ferguson successfully restarted a shuttle flight computer early Friday that failed Thursday, setting off alarms and waking the crew. The astronauts will chat with President Obama later in the day. Read More...

President Barack Obama called the International Space Station Friday to congratulate the shuttle Atlantis' crew on NASA's 135th and final shuttle mission, vowing an "exciting new era" of space exploration. Read More...

The Atlantis astronauts took a half-day off Thursday to relax and enjoy the view after a busy but productive week in space. The crew is about 70 percent complete with work to transfer cargo to and from the space station. Read More...

The Atlantis astronauts are about halfway through a busy week of supply transfers to the International Space Station. The lab's toilet is back in operation after a brief hiatus, along with the urine recycling system. Read More...

Space station astronauts Michael Fossum and Ronald Garan staged a successful six-hour 31-minute spacewalk Tuesday, the final excursion of the space shuttle era. Read More...

Two space station astronauts are gearing up for a planned six-and-a-half-hour spacewalk to install experiment hardware on the lab complex and to move a failed coolant pump to the shuttle Atlantis for return to Earth. Read More...

The Atlantis astronauts attached a bus-size cargo module to the International Space Station early Monday. Mission managers, meanwhile, approved a one-day mission extension to give the crew more time for logistics transfers. Read More...

The space shuttle Atlantis glided to a picture-perfect docking with the International Space Station Sunday, bringing more than five tons of supplies and equipment to the sprawling lab complex in the shuttle program's final visit. Read More...

The Atlantis astronauts are working through a busy day in space, inspecting the shuttle's heat shield and gearing up for rendezvous and docking with International Space Station Sunday. Read More...

After a cliff-hangar countdown, the space shuttle Atlantis majestically rocketed into history Friday, putting on one last show for spectators jamming area roads and beaches to witness NASA's 135th and final shuttle launch. Read More...

Despite a dismal forecast, NASA managers decided to fuel the shuttle Atlantis for a launch attempt Friday, setting the stage for the agency's 135th and final shuttle mission (UPDATED). Read More...

Keeping tabs on stormy weather, engineers readied the shuttle Atlantis for blastoff Friday on NASA's final shuttle flight. Engineers reviewed data Thursday to make sure no sensitive systems were affected by a lightning strike near the pad. Read More...

Forecasters are predicting a 70 percent chance of stormy weather Friday that could delay launch of the shuttle Atlantis. But NASA managers say they plan to press ahead barring a dramatic change for the worse. Read More...

The shuttle Atlantis is poised for launch Friday on the iconic program's 135th and final flight, bringing the curtain down on one of the nation's greatest technological triumphs (mission preview). Read More...

Countdown clocks began ticking Tuesday for the shuttle Atlantis' launch Friday on NASA's 135th and final shuttle mission, a flight to deliver more than 8,000 pounds of supplies and equipment to the International Space Station. Read More...

The crew of the shuttle Atlantis celebrated the July Fourth holiday Monday by flying to Florida aboard sleek T-38 jet trainers to prepare for launch Friday on the 135th and final shuttle mission.
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