A war over Taiwan could leave a victorious US military in as crippled a state as the Chinese forces it defeated.

President Joe Biden visited the US-Mexico border on Sunday for the first time as president, but he did not appear to see or meet with migrants, including during a trip to a migrant respite center.

In rare good news for the planet, Earth’s ozone layer is on track to recover completely within decades, as ozone-depleting chemicals are phased out across the world, according to a new United Nations-backed assessment.