"When I go outside and it's clear? Yeah, I look up. It's a habit. It's something I wish more people did. You may seem something that will profoundly affect you." — Phil Plait

Gazing up at the night sky is simultaneously humbling and utterly thrilling. This hour, we'll hear from TED speakers who share an infectious sense of wonder and curiosity about our place in the universe and what lies beyond our skies.

Part 4 of the TED Radio Hour episode Peering Into Space.

About Brian Greene's TED Talk

Is there more than one universe? Physicist Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many in the "multiverse."

About Brian Greene

About Jill Tarter's TED Talk

The SETI Institute's Jill Tarter wants to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the universe.

About Jill Tarter

Part 2 of the TED Radio Hour episode Peering Into Space.

About Phil Plait's TED Talk

What's six miles wide and can end civilization in an instant? An asteroid — and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them.

About Phil Plait

Proving they can't be outdone by Rand Paul, NPR's Ken Rudin and Ron Elving filibuster their way through the latest podcast, assessing Jeb Bush's words on immigration, President Obama's strategy on sequestration, Donald Trump's attendance at the CPAC occasion and the results of the Los Angeles mayoral election.

North Korea responded to new U.N. sanctions aimed at starving its nuclear program by vowing to cut a Cold War-style hotline and scrap a nonaggression pact with the South.

State-run media said North Korea "abrogates all agreements on nonaggression reached between the North and the South ... and also notifies the South side that it will immediately cut off the North-South hotline."

There were 236,000 jobs added to payrolls in February — many more than expected — and the jobless rate unexpectedly dropped by two-tenths of a point, to 7.7 percent, the Bureau of Labor Statistics reported Friday.

Update at 11:36 a.m. ET. Starts Tuesday:

"The eighth General Congregation of the College of Cardinals has decided that the Conclave will begin on Tuesday, 12 March 2013," reads a statement just sent to reporters by the Vatican Press Office. It adds that:

"A pro eligendo Romano Pontifice Mass will be celebrated in St. Peter's Basilica in the morning. In the afternoon the cardinals will enter into the Conclave."

Our original post — "Cardinals Expected To Set Date For Start Of Conclave":

Many forecasters predicted a monster storm would hit Washington, D.C., but the nation's capital just got a bit of snow and rain. Channel 5 meteorologist Tucker Barnes did not blame the vagaries of the weather. He took a "timeout," shown on camera sitting in a corner during the broadcast.