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Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Is there any way to stop a subway bombing?

Killing commuters with bombs has to be one of the most cowardly (and dastardly) forms of terrorism. And that's exactly what happened in Moscow earlier today, as suicide bombers from Chechnya detonated themselves as trains pulled into the Lubyanka and Park Kultury stations...

March 29, 2010 — David Biello

The U.K. finally gets its own space agency

The United Kingdom has firmed up its position within the ranks of the space-faring, announcing on March 23 the creation of a new space center and an impending consolidated national space agency...

March 25, 2010 — John Matson

A star buzzing through the outer solar system? Bring it on

A Russian astronomer turned a few heads earlier this month when he published a paper noting that a dwarf star, currently 63 light-years away, will very likely dip into the outer edge of our solar system in fewer than two million years...

March 25, 2010 — John Matson

Astronaut Scott Altman and director Toni Myers talk Hubble 3D

Back in May 2009, the Hubble Space Telescope got its final tune-up. The seven astronauts of the STS-125 mission flew to Hubble on space shuttle Atlantis, grabbed the observatory with a robotic arm and pulled Hubble into the shuttle's open payload bay for repair...

March 24, 2010 — John Matson

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