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.

DISCOVERYnewsletter
 
Invalid Email
Author Stories
Jul 18, 2014 12:44 PM ET
Europa hides an ocean of liquid water beneath its icy crust; NASA wants to seek out its life-giving potential. Continue reading →
Jul 17, 2014 04:00 PM ET
NASA is working on a low-tech solution to the problem of clothing its astronauts and others living aboard the International Space Station. Continue reading →
Jul 17, 2014 11:52 AM ET
Europe’s Rosetta comet probe has revealed that its target, Comet 67P/Churyumov-Gerasimenko, has a Siamese twin, a thrilling discovery for scientists preparing for Rosetta’s August rendezvous... but it will also be a huge challenge. Continue reading →
Jul 16, 2014 01:18 PM ET
What happens to carbon -- and other solid materials -- when the pressure is even greater, such as what exists in the cores of Jupiter, Saturn and giant planets beyond the solar system? The world's largest laser hopes to find out.
Jul 14, 2014 05:49 AM ET
A Cygnus cargo ship began a long-delayed, three-day journey to the International Space Station on Sunday following a successful launch aboard Orbital Sciences Corp’s fourth Antares rocket. Continue reading →
Jul 11, 2014 06:09 PM ET
A decade-long study tracking the intricate motions of Saturn’s ring moons shows that Pandora, located just outside the F Ring, actually is not gravitationally herding the narrow ring’s outer edge. Continue reading →
Jul 10, 2014 10:19 AM ET
Livestock burping, flatulence and manure was the source of more than 13 million tons of methane gas in 2004. Continue reading →
Jul 3, 2014 11:36 AM ET
Scientists looking for targets beyond Pluto for NASA’s New Horizon’s spacecraft to visit will get more time on the Hubble Space Telescope, managers decided after a two-week pilot study revealed at least two candidate objects. Continue reading →
+ Load More