NPR

A NASA scientist claims to have found alien microbial life in a meteor that landed on Earth. Scientists are skeptical of these results.

Scientists search for an Earthlike planet outside the Solar System, a so-called "Goldilocks" planet that is potentially just right for life.

On location with Manhattanhenge.

Discussion of Pluto, teaching science, and the state of NASA.

NPR's All things Considered interview about the battle over Pluto and its planethood.

Interview on WNYC's Brian Lehrer Show with reflections on Pluto and the night sky.

Neil deGrasse Tyson didn't mean to get Pluto demoted from planet status; he just wanted people to think about the solar system differently. But changing the number of planets from nine to eight is just what happened when a debate sparked by the astrophysicist's Hayden Planetarium exhibit—sans Pluto—ended with the re-categorization of the icy rock to dwarf planet status.

Discussion of the delayed Hubble Space Telescope mission to the recent discovery of snow on Mars.

In two and a half years the United States will decommission the three remaining shuttles capable of taking astronauts to the International Space Station. The only option after that will be to hitch a ride on a Russian shuttle, a collaboration may be just what we need in the space program.

Discussion regarding the nature of dark matter and about a new planet recently discovered outside our solar system that might host life.