Huawei Mate 20X 5G smartphones. Photograph: Arnd Wiegmann/Reuters

In an impromptu question-and-answer session in late June at the White House, US president Donald Trump was asked about the nation’s efforts to block H(...)

An augmented reality sample of a Robinson R44 helicopter outfitted with 360-degree camera and imaging radar by SkyRyse in Tracy, California, this week. Photograph: Jason Henry/The New York Times

Last week, at a tiny airport in the dusty flatlands east of San Francisco, a red-and-white helicopter lifted gently into the air, hovering a few feet (...)

It is nearly impossible to know what’s really going on up in space

There is a seemingly minor administrative change in the new American Space Commerce Free Enterprise Act. Passed unanimously by the US House of Represe(...)

US secretary of state Mike Pompeo (left) says goodbye to Kim Yong Chol, North Korean senior ruling party official and former intelligence chief, before boarding his plane. Photograph: Getty

North Korea said on Saturday its resolve to give up its nuclear programmes may falter after talks with the United States in Pyongyang, contradicting U(...)

'When I would actually think about killing myself, I would think, ‘Am I really just gonna kill myself over a penis?’' Photograph: Andrew Mangum/New York Times

In a 14-hour operation, a young military veteran – whose genitals were blown off by a bomb – has received an extraordinary transplant: a penis, scrotu(...)

The Pentagon in Washington. Photograph:Yuri Gripas/Reuters

Thousands of Google employees, including dozens of senior engineers, have signed a letter protesting the company’s involvement in a Pentagon programme(...)

Pentagon acknowledged on Saturday that its long-secret UFO investigation program ended in 2012

The Pentagon acknowledged on Saturday that its long-secret UFO investigation programme ended in 2012, when US defence officials shifted attention and (...)

Japanese prime minister Shinzo Abe speaks to reporters about North Korea’s missile launch. Photograph: Kyodo/Reuters

North Korea test-fired its second intercontinental missile (ICBM) within a month on Friday, a provocation that heightens pressure on the US and China(...)

A member of the Syrian Democratic Forces (SDF) shouts as he patrols a street in the northern Syrian town of Manbij on August 7th a day after SDF retook it from the Islamic State group.  The leader of the Islamic State branch that operates in Afghanistan and Pakistan, Hafiz Saeed Khan, was killed in a US airstrike on July 26th in eastern Afghanistan, according to the Pentagon. Photograph: AFP/Getty Images

The leader of the Islamic State branch that operates in Afghanistan and Pakistan, Hafiz Saeed Khan, was killed in a US airstrike on July 26th in easte(...)

A frame grab taken from footage released by Russia’s Defence Ministry on Saturday. Photograph: Reuters

Russian jets hit Islamic State targets and other rebel groups in Syria on Saturday, on a fourth day of air strikes by Moscow in support of president (...)

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