Surviving in space is hard and scientists say "The Martian" shows precisely what challenges astronauts will face on a pioneering mission to Mars, even though it contains some big inaccuracies right from the get-go.

Case in point -- the colossal storm that causes the crew to abandon the movie's main character, botanist Mark Watney played by Matt Damon, would not have packed much of a punch on the Red Planet.

Australia on Thursday warned U.S. rapper Chris Brown could be denied a visa for an upcoming tour because of his criminal record, as it unveiled a Aus$100 million (US$70 million) package to end the "national disgrace" of domestic violence.

Prime Minister Malcolm Turnbull's first policy initiative since coming to power last week underscores the national debate that has erupted over family violence, which is claiming lives at the rate of nearly two women per week.

Like tens of thousands of their fellow countrymen fleeing war, members of a Syrian rock group exiled in Lebanon undertook a perilous journey to reach Europe.

But their trek, which has already taken them through five countries, has led to an unexpected 'exile concert tour', on the way to their hoped-for final destination of Germany.

Leonardo DiCaprio is joining a campaign to use investment decisions to fight global warming: He's planning to shed his own investments in fossil fuels, an activist group said Tuesday.

The star of "The Wolf of Wall Street" and "Blood Diamond" joined members of the Divest-Invest Coalition as it announced his plans and highlighted growth in such pledges during the past year. Advocates say their effort to put pocketbook and social pressure on traditional energy producers is gaining momentum; industry groups say the campaign is misguided and its impact negligible.

Sean Penn on Tuesday filed a $10 million defamation lawsuit against "Empire" co-creator Lee Daniels over comments Daniels made comparing him to the show's star Terrence Howard, who's been repeatedly accused of domestic violence.

Daniels' comments appeared online about a week ago in the entertainment publication The Hollywood Reporter in a story about the upcoming season of the popular Fox television show.

Country music king George Strait wants to be clear.

His upcoming four shows and likely more at MGM Resorts' new Las Vegas Arena next year aren't some re-emergence from retirement.

Comedian Bill Cosby is seeking to hire a criminal defense lawyer as suburban prosecutors revisit a 2005 sexual-assault complaint against him.

Lawyer Edwin Jacobs said late Tuesday that Cosby's agents had contacted him in the past few days about a pending investigation in Montgomery County. Jacobs, who had represented Cosby in a review of another accuser's complaint in New Jersey, said he referred Cosby's agents to another high-profile Philadelphia-area lawyer.

Latin music stars including Carlos Santana and Pitbull on Monday launched a music video in celebration of immigrants, voicing alarm at the harsh turn of U.S. political discourse.

"We're All Mexican," in English and Spanish with a Latin beat and mariachi brass, features images of famous Mexicans such as painter Frida Kahlo as stars say the song's title.

U.S. sales of CDs tumbled by nearly a third in the first half of the year, although the boom in streaming largely compensated for lost revenue, the industry said Monday.

Revenue from full-length CDs, which long dominated the industry, fell by 31.5 percent in the six months through June compared with a year earlier to $494.8 million, the Recording Industry Association of America said.

British fashion heavyweight Burberry Prorsum summoned a biker spirit as it presented the Spring/Summer 2016 collection at London Fashion Week on Monday.

Models wearing leather jackets over fine lace dresses paraded in front of a star-studded audience, in a marriage of the delicate and the powerful.