It follows reports that President Trump was outraged by comments made by Mulvaney during the Ukraine corruption saga.
The allegations of abuse of power over the Ukraine incident led to impeachment proceedings against President Trump.
Mulvaney's departure has been on the cards for the last few weeks.
Mr Mulvaney is to become US special envoy to Northern Ireland, while North Carolina lawmaker Mark Meadows has been appointed to take over his former position.
Houthis vow revenge after Yemen's PM killed in Israeli strike
The prime minister of Yemen's Houthi-run government and several other ministers were killed in an Israeli strike on the capital Sanaa, the head of the Houthi Supreme Political Council said on Saturday, in the first such attack to kill senior officials.
Most Trump tariffs are not legal, US appeals court rules
A divided US appeals court ruled on Friday that most of Donald Trump's tariffs are illegal, undercutting the Republican president's use of the levies as a key international economic policy tool.
US bars Palestinian leader Abbas from UN as allies pledge statehood
The United States said on Friday it will not allow Palestinian Authority President Mahmoud Abbas to travel to New York next month for a United Nations gathering of world leaders, where several US allies are set to recognise Palestine as a state.
India's Delhi zoo shut after positive bird flu tests from two storks
Two dead storks at Delhi Zoo have tested positive for the highly pathogenic H5N1 bird flu virus, prompting authorities to shut the facility from Saturday, the Times of India reported.
Search for Australian gunman enters fifth day as weather closes in
Australian police battled severe alpine weather on Saturday on the fifth day of a search for a gunman who escaped into dense bush after allegedly shooting dead two officers and injuring another at a rural property in Victoria state.
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UAE President Sheikh Mohamed Bin Zayed Al Nahyan’s visit to the US to boost economic and technology ties including AI.
Apple Inc. shares fell Monday after a closely followed analyst warned that demand for the firm’s new iPhone 16 Pro model has been lower than expected. Is this a sign that the AI software just isn’t ready?
Does working from home kill productivity or can it benefit staff by giving them more flexibility and a better work/life balance?
Dubai’s current population is more than double compared to almost twenty years ago, which now stands at 3.7 million. Lots of families are also moving to the UAE now. So what does it mean for the property market?
Glory Ehirim Nkiruka is Noon’s first ever female delivery driver. In her first ever interview, she explained why she loves her job, despite the heat!
