The world scrambles to save global health policy from Mr Trump

How to distinguish between weapons-grade disinformation and everyday codswallop

The West is retreating from the battle of the narrative

The mystery of an America First president fascinated by foreigners’ disputes

America and China are pushing it to the brink of financial collapse

America will lose an economic-pain war

It will galvanise international co-operation over writing rules for the ocean bed

An executive order will unleash a global oceanbed mining boom

The once-banned weapons are making a comeback to deter Russia

The once-banned weapons are making a comeback to deter Russia

A conclave of 135 cardinals may pick someone very different from Francis

Even if the world needs to become much better at managing their waste

For all its strength and swagger, China is struggling to handle an impulsive America

Will they become redundant as the technology develops?

Trade wars are alarming, but so are might-makes-right deals

The 15-70-15 rule and other ways to prise powerful fingers from the public coffers

Its experts cannot decide whether the second Trump presidency is a threat or an opportunity

The effects are often unexpected

In a fracturing world, trade and co-operation will come first

His antics are causing headaches for Giorgia Meloni and Marine Le Pen

A revealing new history of the cold-war crisis that inspired modern refugee law

The shutdown of VOA, RFE/RL and other broadcasters weakens America and supporters of democracy

Will America’s president damage the world’s most powerful intelligence pact?

Foreign-policy realists will struggle to explain America’s sharp turn

Only with something inferior to Elon Musk’s offering

Poland wants co-operation with France on a nuclear deterrent. That could take many forms

The alliance has three to four years to adopt AI and new tech

Donald Trump’s resentful, show-me-the-money approach to statecraft is catching on

How criminal innovators are mastering synthetic drugs, AI, the dark web and drones

No, Donald Trump’s Putin-wooing is not like Nixon going to China

An independent army, air force and nuclear bomb would come at a high price

The country has long relied on America for security and China for its prosperity. Those two pillars are wobbling

How Donald Trump’s about-turn in Europe will affect Asia

Europe has been left scrambling after an attack on the partnership that kept the peace for nearly 80 years

Seventy countries have recently backed “all Chinese efforts” to take the island

China is weaponising its supply chains, but risks blowback if it goes too far

If Trump convinces partners that the post-1945 order really is dead, things will get ugly

Yet it is facing a growing backlash from religious conservatives and some feminists

Washington hawks puzzle over calls for China to help in Ukraine, and hints of a possible TikTok reprieve

The economics make sense, but the geopolitics are nerve-racking

But sceptics are wrong to call America First business as usual

After a ceasefire in Gaza, they may continue their Red Sea racket

China buys lithium, copper and bull semen, and doesn’t export its ideology

Bullying foreigners can be sadly effective, but also a dangerous distraction

Trump’s Pentagon pick wants women off the battlefield

Baby-boomers are keeping their bad habits into retirement

Youthful excess continues to decline

The growing effectiveness of air-defence systems could blunt the West’s most powerful weapons