Filmmaker James Cameron and Hollywood star Sigourney Weaver were surprised by a fan proposing to his girlfriend as they celebrated the 30th anniversary of sci-fi classic "Aliens" on Saturday.

The pair were swapping nostalgia and behind-the-scenes anecdotes at San Diego Comic-Con when the man got down on one knee during the audience Q&A section and popped the question.

It was the largest data leak in United States history, fueling a firestorm over the issue of mass surveillance that resonated with Americans and ignited around the world.

Oliver Stone's hotly-anticipated "Snowden" tells the story of NSA whistleblower Edward Snowden in dramatic form for the first time -- but the movie almost never made it to theaters.

U.S. television network CBS celebrated the 50th anniversary of "Star Trek" at San Diego Comic-Con on Saturday, revealing that the keenly-awaited new series is to be called "Star Trek Discovery."

The name was revealed at the end of a 76-second teaser trailer shown at the sci-fi and fantasy festival which showed a starship pulling out of its mooring inside an asteroid.

There are no borders in the world of Pokemon Go.

But two young fans of the hit smartphone game were so preoccupied with catching cartoon monsters that they wandered across the U.S.-Canada border in real life.

Russian adventurer Fedor Konyukhov on Saturday broke the record for the fastest round-the-world flight in a hot air balloon, his crew said.

The horror television series "Bates Motel" has cast pop star Rihanna in its final season, the show revealed during its panel at the Comic-Con fan convention on Friday.

The 28-year-old diva will play Marion Crane, the role made famous by Janet Leigh in Alfred Hitchcock's "Psycho," executives revealed.

"Game of Thrones" showrunner David Benioff told fans at Comic-Con International on Friday a delay in screening the new series had been unavoidable, because "winter is here."

David Bowie's latest box set will feature in original form his unreleased album "The Gouster," recorded as the late rock icon started to experiment with soul.

The English artist, then known primarily for his pioneering glam rock, headed in 1974 to Philadelphia's Sigma Sound studio to pursue his love of the city's funk-infused soul scene.

Sting announced Thursday that his new album will come out later this year in a return to his rock roots that will touch on the migrant crisis and climate change.

"57th & 9th" -- the title an allusion to the intersection where the "Englishman in New York" heads to the studio -- will come out on November 11, his label said.

Lady Gaga said Wednesday she was "taking a break" from her relationship with actor Taylor Kinney but still hoped to reconcile with her "soulmate."

The pop diva commented after celebrity gossip sites said she and Kinney had broken off their engagement and pointed out she was no longer wearing her ring.