The remnants of planets around the remnants of a star suggest the surprising possibility of biology
And if the telescope can’t stay on target, the mission is effectively over.
The Kepler spacecraft lost the second of four wheels that control the telescope’s orientation in space, NASA said Wednesday.
Two astronauts took a hastily planned spacewalk Saturday to find and, possibly, fix a serious leak at the International Space Station, but they discovered “no smoking guns” as they worked to replace a suspect pump.
Two astronauts will do a spacewalk Saturday to try to fix an ammonia leak in the power system at the International Space Station.
Tiny samples from Apollo moon rocks help solve an ancient myatery
A supernova collapse 3.6 billion light-years away sheds new light on a long-standing mystery
The haul of exoplanets astronomers are discovering include some surprising and promising finds
From a hurricane on Saturn to the Horsehead Nebula and a whole moon rising over New York City’s skyline, our roundup of cosmic views from April 2013.
Pictures from Space | March 2013
The Cassini spacecraft spots a years-long storm on a distant world