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.

Author Stories
Apr 25, 2015 05:30 PM ET
As we celebrate Hubble's 25th year in space, let's have a quick rundown of some of the space telescope's key statistics.
Apr 24, 2015 01:00 PM ET
It's been an eventful 25 years for what turned out to become the world's best-known telescope and perhaps among the most productive science instruments ever made. Here's a look at Hubble's life in pictures.
Apr 23, 2015 11:40 AM ET
Hubble’s scientific bounty has benefited a wide range of astronomical and astrophysical fields, including the study of planets, moons and small icy bodies in the outer solar system and the cosmological history of the universe. Here’s a look at a few of Hubble’s greatest hits.
Apr 23, 2015 10:03 AM ET
Hubble anniversary tributes kicked off on Thursday with the unveiling a spectacular new image taken by the telescope.
Apr 22, 2015 03:33 PM ET
The Hubble Space Telescope, among the most celebrated and popular machines ever made, starts its 25th year in orbit on Thursday, the anniversary of its launch aboard NASA’s now-retired space shuttle Discovery.
Apr 21, 2015 04:30 PM ET
Beyond Hubble, NASA looking at NASA's James Webb Telescope to image the universe's first light, soon after the Big Bang.
Apr 20, 2015 05:00 PM ET
Underpinning tributes this week marking the 25th anniversary of the Hubble Space Telescope’s launch is the knowledge that the orbiting observatory has years of cutting edge science projects ahead.
Apr 16, 2015 02:00 PM ET
NASA’s MESSENGER spacecraft is in the final days of an unprecedented and unexpectedly long-lived, close-up study of the innermost planet of the solar system, with a crashing finale expected in two weeks.
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