NASA said it was scrapping Tuesday's plans to launch Artemis, the US return to the moon after five decades, noting concerns about a tropical storm headed to Florida.
Tropical Storm Ian is expected to hit Florida, home to the Kennedy Space Center, next week, according to the US National Hurricane Center.
Apart from weather and technical challenges like a fuel leak, Artemis I, the uncrewed test flight, signals a major turning point for NASA's post-Apollo human spaceflight programme, after decades focused on low-Earth orbit with space shuttles and the International Space Station.
Artemis will be headed to the moon, as a stepping stone for a future flight to Mars.
Named for the goddess who was Apollo's twin sister in ancient Greek mythology, Artemis aims to return astronauts to the moon's surface as early as 2025, though many experts believe that time frame will likely slip.
Israel said it carried out a warning strike against an extremist group that was preparing to attack Druze in Syria, following through on its pledge to protect the minority group as violence spread in Druze areas near Damascus on Wednesday.
Swarms of Russian drones attacked the Ukrainian cities of Kharkiv and Dnipro late on Tuesday, killing at least one person and injuring at least 46, officials said.
At least 14 people died in the eastern Indian city of Kolkata late on Tuesday when a fire blazed through a six-storey hotel in a congested neighbourhood, authorities said.
Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little explanation for what had caused it or how they would prevent it from happening again.
The head of Israel's domestic intelligence agency, Ronen Bar, announced he will resign on June 15 amid pressure from Prime Minister Netanyahu and ongoing legal proceedings.
President Donald Trump touted what he called a series of major economic wins and forcefully attacked Democrats during a rally in Michigan on Tuesday to commemorate his first 100 days in office.
Canadian Prime Minister Mark Carney's Liberals retained power in the country's election on Monday, but fell short of the majority government he had wanted to help him negotiate tariffs with US President Donald Trump.