NASA’s Test Flight of Orion Spacecraft Is Delayed
By HENRY FOUNTAIN
After a glitch developed in the launch rocket’s fuel system, the agency postponed the flight until Friday morning.
First Flight Test Is Successful for NASA’s Orion Spacecraft
By HENRY FOUNTAIN
Smiley N. Pool/Houston Chronicle
The Orion capsule, atop a Delta IV rocket, lifted off from Cape Canaveral, Fla., on Friday morning. It landed in the Pacific four and a half hours later, just a mile off target.
The spacecraft returned to Earth, just a mile off target in the Pacific Ocean, about four and a half hours after it was launched from Florida.
New Images Refine View of Infant Universe
By DENNIS OVERBYE
The subject of a meeting of astrophysicists is a new baby picture — and all of its vital statistics — of the universe when it was 380,000 years old and space was as hot as the surface of the sun.
Comet Landing Bumpier Than Initially Thought
By KENNETH CHANG
The European Space Agency lander is sitting in a skewed position on the comet’s surface, compromising some aspects of the $1.75 billion Rosetta mission.
Landing on a Comet, a European Space Agency Mission Aims to Unlock the Mysteries of Earth
By KENNETH CHANG
The ambitious mission succeeded, despite a potential showstopper problem, when a signal arrived at Darmstadt, Germany, just after 11 a.m. Eastern time.
Landing on a Comet: Inside Rosetta Orbiter’s Philae Landing Mission
By KENNETH CHANG
Joel W. Parker, a planetary scientist at the Southwest Research Institute, answers questions about putting a 220-pound lander on a comet.
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The Descent of Philae Toward the Comet in Tweets
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Philae Lander Nears a Cosmic Touchdown
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Scientists, and Universe’s Odd Behavior, Are Recognized With $3 Million Prizes
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Bright Specks of Dust From Comet Siding Spring Light Up Martian Sky
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Soviet-Era Engine Is Blamed for Antares Rocket Explosion
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Out There: Bound for Pluto, Carrying Memories of Triton
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Lorenzo Albacete, Theologian and Confidant of Popes, Dies at 73
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Investigators in Virgin Galactic Crash Focus on Tail Booms
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In Traveling to the Stars, Risk and Cost
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Virgin Galactic Is Rattled, but Undeterred, by Deadly Space Plane Crash
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Antares Rocket Explosion Leaves Questions and Dead Mosquito Eggs
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Antares Rocket, Bound for Space Station, Explodes
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In a Dome in Hawaii, a Mission to Mars
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A Comet’s Brush With Mars
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Observatory: Solar Systems With Their Own Rule Books
Mars Curiosity Rover Tracker
A selection of images from NASA’s Curiosity rover as it drives toward Mount Sharp.
Interactive: The Moon Mission
Voices: Recalling 1969
Photos: Moon OdysseyMultimedia
Scientists Describe Bumpy Comet Landing
A technical issue led to the rough landing the European Space Agency’s Philae lander made as it settled on a comet.
Landing on a Comet, 317 Million Miles From Home
By JONATHAN CORUM
The Rosetta spacecraft’s Philae lander is attempting to land on Comet 67P/Churyumov-Gerasimenko.
Directing ‘The Theory of Everything’
The Academy Award-winning director James Marsh discusses his newest project, “The Theory of Everything,” which chronicles the life of the cosmologist Stephen Hawking.
