President Joe Biden ordered a F-16 fighter to shoot down the latest object "out of abundance of caution," a senior administration official said

Former Brazilian president Jair Bolsonaro said late Saturday that he plans to return to Brazil “in the coming weeks” after arriving in the United States in December.

"Airspace is closed due to an object that could interfere with commercial air traffic -- the DOD will resume efforts to observe and ground the object in the morning," Montana lawmaker Matt Rosendale tweeted

Trudeau also said he had spoken with US President Joe Biden about the incident, a day after Biden ordered a shootdown of an unidentified flying object over sea ice near Deadhorse, Alaska

Half of Russia’s main battle tanks have likely been destroyed or captured by Ukraine, a senior US defense official has said.

President Joe Biden has told CNN that the shoot down a “high-altitude object” hovering over Alaska “was a success,” shortly after American national security officials disclosed that the commander-in-chief gave the US military approval to take the action.

Long-term exposure to air pollution raises the risk of depression, according to a pair of new studies published in the JAMA network of scientific journals.

President Joe Biden and his Brazilian counterpart Luiz Inacio Lula da Silva said Friday at the White House that the two biggest countries in the Americas have successfully seen off attacks on their democracies and will now work together on fighting the climate crisis.

President Joe Biden ordered the shootdown, which was announced from the White House.

A man was shot dead on Thursday a few blocks from the heart of New York’s Times Square tourist hub, which last year was made a gun-free zone, police said.

"It's not a major breach," Biden said. "I mean, look, it's totally … it's a violation of international law. It's our airspace. And once it comes into our space, we can do what we want with it."

Nasa’s Curiosity rover has found wave-rippled rocks -- evidence of an ancient lake -- in an area of the planet expected to be drier, the US space agency said.

US Deputy Secretary of State Wendy Sherman on Monday briefed nearly 150 foreign diplomats across 40 embassies, while in Beijing the US embassy gathered foreign diplomats on Monday and Tuesday to present US findings about the balloon.

US President Joe Biden delivered his second State of the Union address on Tuesday night, seeking to overcome pessimism in the country and concerns about his own leadership.

A nine-year-old American boy, who loves computer science and programming, has become one of the youngest people in the United States to graduate from high school.

The Biden administration lauded the Pentagon for shooting down an alleged Chinese spy balloon off the US Atlantic coast on Saturday, but China angrily voiced its “strong dissatisfaction” at the move and said it may make “necessary responses.”

A dangerous combination of record-setting cold temperatures and powerful winds buffeted the northeastern United States on Saturday, creating life-threatening conditions and causing the death of an infant in Massachusetts.

A US military fighter jet shot down a suspected Chinese spy balloon off the coast of South Carolina on Saturday, a week after it entered US airspace and triggered a dramatic -- and public -- spying saga that worsened Sino-US relations.

The United States shot down a suspected Chinese spy balloon as it floated off the country's southeastern coast on Saturday, a Reuters witness and US officials said, drawing to a close a dramatic spying saga that drew a spotlight on worsening Sino-US relations..President Joe Biden approved

A California startup using rocks to soak up carbon dioxide from the air has teamed up with a Canadian company to mineralize the gas in concrete, a technological tie-up that is a first and they say could provide a model for fighting climate change globally.