The Phoenix Mars Lander launched Aug. 4, 2007, in a quest to find life on Mars. After a 10-month journey, the lander successfully touched down on the planet's northern polar surface last night. CNN's technology and environment correspondent Miles O'Brien has been at NASA's Jet Propulsion Laboratory since Friday. He joins us live from Pasadena, Calif.

Pictured: The Phoenix Lander's Delta 2 launch vehicle taking off; an artist's rendering of the lander itself, and one of the very first images sent back from the lander this morning after its successful touchdown last night.

Reporter Lowell Bergman has been covering the Tijuana border for nearly 40 years. In a new PBS FRONTLINE/World documentary, "Mexico: Crimes at the Border," he investigates the inner workings of the business of human smuggling and the temptations of corruption for U.S. border guards.

With rising airfare costs and fewer seats and flights, summertime travel isn’t what it used to be. Consumers are balking at prices, but the airline industry appears to be out of cost-cutting options. Joe Sharkey, business travel columnist for The New York Times, says the industry hasn’t faced this kind of crisis since Sept. 11. On Memorial Day, he offers this advice to would-be sightseers: Stay home.

As gas prices continue to soar, we'€™re not just feeling the pain at the pump. A new survey suggests that this added financial burden is directly increasing stress on the job. But a growing number of employers are going out of their way to help workers grapple with the cost of driving to and from work. Paul Grossbard, a shareholder at Miller Grossbard and Associates, recognizes the burden his employees are facing. He tells us what he's doing about it.