Contributor

We can't change when or how long we live. All that really counts is what we do. Space exploration has technical, political and mental challenges, but rewards us with surprising knowledge. It's one of humanity's noblest endeavors and the focus of my work since 1987.

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Author Stories
Apr 18, 2014 01:41 PM ET
Out of fuel and flying fast, NASA’s LADEE spacecraft crashed into the moon early Friday, three days shy of its expected mission end. Continue reading →
Apr 18, 2014 09:22 PM ET
Defying a bleak weather forecast, a SpaceX Falcon 9 rocket blasted off from Cape Canaveral Air Force Station Friday to send a Dragon cargo capsule on its way to the International Space Station. Continue reading →
Apr 17, 2014 02:00 PM ET
About 500 light-years away in the constellation Cygnus lives a star, which, though smaller and redder than the sun, has a planet that may look awfully familiar.
Apr 9, 2014 11:35 AM ET
Discovery Channel and sister network Science Channel will partner with the Google Lunar X Prize for a television mini-series about the competition. Continue reading →
Apr 4, 2014 02:05 PM ET
On April 21 -- if not sooner -- the Lunar Atmosphere and Dust Environment Explorer will crash into the surface of the moon and vaporize. But before that happens, NASA has a low-fly mission planned.
Apr 3, 2014 02:00 PM ET
Gravity measurements indicate the small moon Enceladus has an ocean sandwiched between its rocky core and icy shell, a finding that raises the prospects of a niche for life beyond Earth.
Apr 2, 2014 01:00 PM ET
Earth’s finishing touch came with a wallop when a Mars-sized hunk of real estate crashed into the fetal planet some 95 million years after the birth of the solar system -- later than some astronomers thought -- sending up debris that eventually formed moon.
Mar 28, 2014 05:40 PM ET
Scientists this week began assessing what may be the most important part of an upcoming mission to look for life on Mars: location, location, location.
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