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Australian officials are tightening Covid-19 restrictions to curb new clusters of cases emerging around the country. CNN's Angus Watson reports.

China's National Space Administration (CNSA) on Sunday released new images from its Tianwen-1 Mars probe. The footage shows the rover opening a parachute and descending to the Martian surface, and its rover Zhurong driving away from its landing platform and moving over the surface of the Red Planet.

Julie Chavez Rodriguez, grandchild of late Latino labor activist Cesar Chavez, is the director of intergovernmental affairs for President Joe Biden, her second stint in a Democratic administration. (June 28)

NASA Administrator Bill Nelson tells CNN's Pamela Brown that he has read the classified version of the US intelligence report on the series of UFO sightings by Navy pilots and others, and that he feels that we may not be alone in this galaxy.

The current acting director of the Cybersecurity and Infrastructure Security Agency, Brandon Wales, sits down with CNN's Pamela Brown to talk ransomware attacks and what everyone in the country can do to prevent them in a CNN exclusive interview.

The Aguero family tells CNN's Wolf Blitzer how they made it to safety from the eleventh floor of the Champlain Towers South building that collapsed in Surfside, Florida.

Game expert Victor Lucas talks about three big titles from the annual video game convention, including 'Halo Infinite' multiplayer. Rick Damigella reports.

Barbara Res, former executive vice president for the Trump Organization, talks with CNN's Jim Acosta about the possibility of New York prosecutors filing criminal charges against her former employer.

Rescue crews are sifting through a mountain of rubble hoping to find those still missing after a residential building partially collapsed in Surfside, Florida.