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Landing on Mars is no walk in the park. It requires years of planning, thousands of engineers and, in the case of NASA's Curiosity rover, billions of dollars. NPR's Joe Palca has covered the last four successful landing missions and has some thoughts about process of getting to Mars.

Negotiators for the Chicago teachers union and the public school system appear closer to a possible contract agreement, but the strike continues for a fifth day.

JPMorgan Earned $5 billion in the second quarter even after the company had a $4.4 billion trading loss. Bank CEO Jamie Dimon says "all of our client-driven businesses had solid performance" and that "we have put most of this problem behind us."

Besides damaging your skin, the summer sun's ultraviolet rays can also hurt your eyes. Over time, exposure to UV rays can can raise the risk for cataracts and other eye problems. Take care by wearing proper sunglasses.

Muslim extremists are pillaging Sufi tombs and mosques. They're ignoring international protests. To them, the sites are offensive. To most others, they're historical sites of huge importance.

Some of the heaviest advertisers are groups financed by anonymous donors. They're not organized as political committees, but as "social welfare" organizations. One of those groups, led by GOP strategist Karl Rove, is rivaling the campaigns themselves for ad money spent so far in the election.

President Obama is in Iowa pushing his plan to extend tax cuts to the middle class — but not the wealthiest Americans. Mitt Romney is in Colorado accusing Obama of outsourcing jobs. Both states are up for grabs this November.

Politics may not stop at the waters edge (if it ever did). But it does get more complicated, as Russia's involvement in Ukraine is the latest foreign policy crisis to demonstrate.

Israeli Prime Minister Benjamin Netanyahu meets with President Obama at the White House on Monday to discuss two sets of talks: a framework for a deal with Palestinians, and an Iran nuclear deal.

When some pediatricians found out how much a hospital in Anchorage, Alaska, was billing for circumcisions, they decided to perform the routine procedure in their offices instead.