space travel

The Colbert Report

Colbert Report

A discussion of black holes with Stephen Colbert.

The Brian Lehrer Show


Interview on WNYC's Brian Lehrer Show about life, the Universe, and everything.

Delusions of Space Enthusiasts

Natural History Magazine

Things space zealots want to be true but simply aren’t. And things they wish were not true, but simply are.

Going Ballistic

Natural History Magazine

An exposition of all the ways objects can move under the influence of gravity.

Living On Earth: Sailing into Space

Living On Earth

Space engineers are looking for new ways to power spacecraft, especially once they’re launched into orbit. Advances in space propulsion technology, including the recent Cosmos 1 mission, was designed to use sails powered by the pressure of sunlight.

Heading Out

Natural History Magazine

How the frontier of propulsion research can transform the future of space exploration. Part II of “Fueling Up”

Fueling Up

Natural History Magazine

The role of propulsion as the key to space travel.

Launching the Right Stuff

Natural History Magazine

Reviving the debate about whether it is better to send people, robots, or some combination of both into space.

Reaching for the Stars: America's Choice

Natural History Magazine

A sensitive reflection on the Columbia Shuttle tragedy and its implications for the future of space exploration.

Where Even the Sky is No Limit

Florida Today

A call to action for space innovation and inspiration.

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