All Listen Posts

Living On Earth: Venus or Bust

Living On Earth

Two NASA satellites and the European Space Agency's Venus Express have set out to find clues that will aid scientists' understanding of climate change on Earth.

Living On Earth: Moons & Money

Living On Earth

Water-spewing geysers may mean there’s life on one of Saturn’s moons, and how proposed budget cuts could affect the search for life and other space science programs.

NOVA ScienceNOW: Killer Asteroids

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In conversation with Apollo astronaut Rusty Schweikert, on a Gravitational Tractor that can deflect killer asteroids.

Living On Earth: Intelligent Design Is Not Science

Living On Earth

Discussion of the history of attributing scientific gaps to a higher being, and the notion of intelligent design as "a philosophy of ignorance" that has no place in science.

NOVA's Einstein's Big Idea: E = mc2 Explained

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Ten top physicists describe Einstein's famous equation E = mc2 on NOVA's Einstein's Big Idea.

Living On Earth: Listener Letters

Living On Earth

A listener writes in about the etymology of the name "Xena," while Arabic contributions to astronomy are discussed.

NOVA ScienceNOW: Limitations of Intelligent Life

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A NOVA scienceNOW discussion with Robert Krulwich on how physical laws constrains the size of life in the universe.

Living On Earth: Celestial Update

Living On Earth

Scientists are talking about a newly discovered object that’s larger than Pluto, the possibility of an asteroid hitting Earth, and what we can do about it.

NOVA ScienceNOW: Encountering Antimatter

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On NOVA scienceNOW, commenting on antimatter and what an encounter with an antimatter alien might be like with Robert Krulwich.

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.