NASA's Curiosity rover has zapped its first Martian rock, aiming its laser for the sake of science.

During the target practice on Sunday. Curiosity fired 30 pulses at a nearby rock over a 10-second window, burning a small hole.

Families waiting for San Francisco's cable cars on a recent morning couldn't help but notice Kenny the Clown, who wore a curly rainbow wig as he twisted brightly colored balloons into animal shapes for visitors, blasting Michael Jackson's "Smooth Criminal" from an iPad at his feet.

Little did the clown know that the tablet doubling as his stereo would turn out to have been stolen from the home of the late Steve Jobs.

Endurance athlete Diana Nyad forged ahead in the Straits of Florida with renewed vigor Sunday in pursuit of a record 103-mile (166-kilometer), unassisted swim in open waters without the aid of a shark cage.

The 62-year-old Los Angeles woman was said to be comfortable, confident and steady at around 50 strokes per minute after a harrowing Saturday night of painful jellyfish encounters — despite an improved bodysuit that she had hoped would offer better protection.

Some Russian activists have sued Madonna for millions of dollars, claiming they were offended by her support for gay rights during a recent concert in St. Petersburg.

Anti-gay sentiment is strong in Russia, particularly in St. Petersburg, where a law passed in February makes it illegal to promote homosexuality to minors. The author of that law has pointed to the presence of children as young as 12 at Madonna's concert on Aug. 9.

French Foreign Minister Laurent Fabius has described as “very foolish” a decision by Air France to land a plane in Damascus following tensions near the Beirut airport on Wednesday.

In remarks carried by Le Parisien on its website on Saturday, Fabius said: “Imagine for a second if the Syrian authorities decided to inspect the plane to check the identities of the passengers.”

U.S. Defense Secretary Leon Panetta called Afghan President Hamid Karzai on Saturday to discuss the rising number of "insider" attacks in which Afghan security forces have turned their guns on American and other coalition troops.

Spokesman George Little said Panetta encouraged Karzai to work with U.S. commanders to ensure more rigorous vetting of Afghan recruits. Little said Panetta and Karzai agreed that American and Afghan officials need to work together to address a problem that has intensified in recent days.

Health officials in Indiana and Kentucky say they are investigating farms, distributors and retailers after an outbreak of salmonella that has killed two and sickened at least 141 people nationwide was linked to cantaloupe grown in southwestern Indiana.

Officials Friday advised all Indiana residents to discard cantaloupes purchased since July 7.

Robin Van Persie became the latest big-name player to slip from Arsenal's grasp when the Netherlands striker completed his move to Manchester United on a four-year deal on Friday.

Van Persie agreed personal terms and passed a medical examination to complete a transfer that is believed to have cost United about 24 million pounds ($38 million).

The Santa Fe Opera has announced its 2014 season will feature the American premiere of a work by Chinese-born composer Huang Ruo.

His opera, "Dr. Sun Yat-Sen," is about the leader of China's revolution that overthrew the monarchy in 1911 and established a republic.

Production on "Iron Man 3" is on hold after star Robert Downey Jr. hurt his foot during filming.

Marvel Studios said Thursday that Downey was injured while performing a stunt and "there will be a short delay in production while he recuperates." The 47-year-old actor is shooting the third installment in the superhero franchise in North Carolina.