Curiosity discovers trace of carbon on Mars

December 3, 2012 4:30 PM

The Mars rover Curiosity has sent back 11,000 images over the last four months, but what fueled rumors of a big discovery was the collection of a few scoops of Martian soil. John Blackstone reports.

Mars rover: No revelations in first soil test

Recommended

On the road: The student and the vet
2:18 May 17, 2013

On the road: The student and the vet

As part of our continuing series "On the Road," Steve Hartman reports on how a school assignment to interview a vet turned into a personal mission to get him long-overdue recognition.
Powerball hits $600 million record
1:33 May 17, 2013

Powerball hits $600 million record

Saturday night's Powerball has reached an all-time record of $600 million, and, at $2 a pop, wining would be quite the return on investment for those willing to tackle the long lines. Carter Evans reports.
Dempsey, Kerry blast Russian support of Assad
1:33 May 17, 2013

Dempsey, Kerry blast Russian support of Assad

Joint Chiefs Chairman Gen. Martin Dempsey and Secretary of State John Kerry warn that Russia's "unfortunate decision" to supply Syrian dictator Bashar al Assad with missiles will embolden the regime and prolong suffering. David Martin reports.
A victim's story of domestic abuse
3:08 May 17, 2013

A victim's story of domestic abuse

The recent kidnapping case in Cleveland focused new attention on domestic abuse. The CDC says almost one out of four women have experienced "severe physical violence" by an intimate partner. Jim Axelrod shares one victim's story.
Texas tornado survivor found neighbor's house in backyard
2:07 May 17, 2013

Texas tornado survivor found neighbor's house in backyard

The tornado that ripped apart a Texas neighborhood spared Howard Smith's home, but what he found in his yard haunts him. Anna Werner shares his story.
How does a group qualify for tax-exempt status?
1:52 May 17, 2013

How does a group qualify for tax-exempt status?

501(c)(4) groups are supposed to be social welfare organizations that benefit the common good, but Congress has changed the law so often that the tax category now applies to lobbyists and political groups. David Martin reports.
How a "chance" question sparked IRS scandal
1:43 May 17, 2013

How a "chance" question sparked IRS scandal

The IRS admission to targeting conservative groups applying for tax-exempt status was unexpectedly revealed in response to a question posed at a meeting of the American Bar Association. But, as Scott Pelley reports, the "chance" question was planned in advance.