NASA's TESS spacecraft blasts off on the SpaceX Falcon rocket on a quest to find new worlds around neighbouring stars that could support life.

Turkey will hold snap elections on June 24, brought forward by President Recep Tayyip Erdogan who is expected to have beefed-up executive presidency powers with the next presidential vote.

Former FBI director James Comey tells 7.30 he believes Australia will continue to have a close relationship with the US due to the long-standing bonds between both nations.

The US President says the porn actress is playing the "Fake News Media" for fools by releasing a sketch of a "non-existent" man she claims threatened her to keep quiet about their alleged sexual encounter.

First Vice-President Miguel Mario Diaz-Canel Bermudez will become president, with Raul Castro continuing as head of the Communist Party and likely to remain the most powerful person in Cuba for the time being.