Rishi Sunak arrives at 10 Downing Street for the first time as Prime Minister, and speaks to the people.

Rishi Sunak concludes his first speech made as a serving U.K. prime minister, outlining the priorities for his new government at a difficult moment in the country’s history.

President Donald Trump has tested positive for Covid-19. At little over a month until the general elections, this news has prompted a lot of uncertainty and raised a great many questions.

This Australian report highlights the damage done to coral by rising water temperatures. Local authorities and residents of the Marine Park area and beyond have seen the devastating effects of bleaching and are involved in efforts to understand the issue.

More than 800 million people around the world use the social media video platform TikTok. However, some governments around the world are concerned that the Chinese-owned app allows the Chinese government to access people's data.

The European Union says it will begin shipping arms to Ukraine. This is the first time in its history that it has supplied arms in a conflict.

President Vladimir Putin has put Russia's nuclear forces on high alert. The theory is that the possibility of mutually assured destruction is the strongest of reasons not to press the button. But the pressure is mounting.

Strict water restrictions come into force for millions of people in California as the US west coast continues to experience a crippling drought.

There's been some bad news for the Great Barrier Reef, with experts declaring another mass bleaching—the fifth in just eight years. We find out what coral bleaching is and how it's impacting Australia's World Heritage-listed wonder.

Boris Johnson is the UK's new prime minister. Known as "BoJo" among his supporters, he's one of the UK's most recognizable politicians. He's a charismatic, and sometimes controversial figure. Johnson started his career in journalism, but was fired from The Times for making up a quote. He was elected as a Member of Parliament in 2001.

Whenever faced with a conflict of interest between their profits and our safety and security, Facebook shows scant regard for honesty and ethics. So says former high-level Facebook employee Frances Haugen, who hit the headlines with this exposé of the social media giant.

Facebook whistleblower Frances Haugen calls for government action and full transparency as she rejects Facebook’s claim that privacy issues prevent it from sharing research data.

What's happening with Brexit? In Parliament, Labour MP Karl Turner makes a curious analogy between debating an important bill and choosing a sofa. Turner said MPs required more time to debate "this incredibly important bill," adding that Nikki da Costa, the PM's legislative adviser, had suggested the House needed at least four weeks to consider the legislation.

Even though Prime Minister Boris Johnson has said he does not want a delay, he confirmed he would set aside the bill until speaking further with the EU. He thanked the House of Commons for their assent.

Opposition MPs react after parliament voted against Boris Johnson's extremely tight Brexit bill timetable, which the government said was necessary to reach the prime minister’s target of leaving the EU on October 31st.