This man visited the Soviet embassy in Mexico City while Lee Harvey Oswald was in Mexico in 1963. Officials thought it might be Oswald.
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In 1967 a Mexican reporter told the CIA he had met Lee Harvey Oswald in Mexico City just before the JFK assassination. New research and recently declassified intelligence pokes a hole in his story.
Hydrogen is feted as the key to a dynamic green economy. But is it the best choice for decarbonisation in all cases?
From healthcare, to the environment, immigration and racial justice, which areas of Barack Obama's legacy were the most vulnerable – and most resilient – during Donald Trump's first term?
Underlying inequality, an under-resourced public health system and socio-political tensions have met in a dizzying, tragic outcome for the richest country in the world.
Richard Wainwright/AAP Image
Australian Bureau of Statistics figures suggest there have been more than 800 'excess deaths' in Australia in January-March 2020, relative to the average, but only 103 confirmed COVID-19 deaths so far.
Poverty, inequality and social isolation have an impact on mental health.
Juan Ignacio Roncoroni/EPA
Social psychiatry has fallen from favour. It's time to revisit it.
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Long reads to get lost in.
Democracy needs to apply to our economies, as well as our politics.
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Unlike older visions of economic democracy which started with class or the collective, the starting point now should be the individual
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What and who businesses exist to serve is an age-old debate – but it's nearly always been driven by the bottom line.
The universe is home to a dizzying number of stars and planets. But the vast bulk of the universe is thought to be invisible dark matter.
Why do astronomers believe there's dark matter when it cannot be directly detected? Let's look at the evidence, and see what dark matter's presence means for our universe.
Reserve Bank Deputy Governor Guy Debelle, Governor Philip Lowe, and assistant governors Luci Ellis and Michele Bullock at Friday’s parliamentary hearing in Canberra.
The Reserve Bank's best case scenario is that its forecasts are wrong.
Sacked: former UK defence secretary Gavin Williamson was dismissed following the alleged leak of sensitive government information.
Politicians have been leaking secrets to journalists as long as newspapers have existed. But it's getting more difficult thanks to surveillance technology.
The Seine and Notre Dame, physically and spiritually the heart of Paris.
Iakov Kalinin via Shutterstock
From coronations to Revolution to reconciliation, Notre Dame has witnessed nearly 900 years of French history.
Cavendish bananas may not be around for much longer.
Scientists are in a race to genetically engineer a new plant resistant to a devastating disease that is threatening to wipe out the banana.
Fisher unloads his catch.
The advent of steam transformed the fishing industry after 500 years of trawling by sail. But overfishing and declining stocks put the British industry at loggerheads with that of other nations.
Long read: How nature is fighting our attempts to use biohacking to live forever.
WeChat is an all-in-one social media platform that combines services such as those offered by WhatsApp, Facebook, Uber and Apple Pay.
Chinese-language social media in Australia are increasingly a focus for local political parties.
The Tianshan mountains frame Sayram Lake in the Bortala Prefecture in Xinjiang, China.
Setting the scene for ancient Silk Road trading and now China's Belt and Road initiative, the Tianshan has changed humanity. Geological evidence shows us how this incredible mountain range formed.
Many farmers cultivating organic crops believe that genetically modified crops pose threats to human health.
Is gene editing compatible with organic farming? A scholar explains the differences between old genetic engineering and CRISPR methods, and why the latter is similar to tradition plant breeding.
A Green Bay Packers fan wears a cheese hat reading ‘NFL Owner’ – a nod to the fans’ public ownership of the franchise.
Many Americans seem to like seeing communist ideas in action, but have a visceral reaction to the word ‘communism.’ Might it be time to refresh an old ideology with a new set of terms?