He knew he would be arrested on arrival in Russia, but it's unclear what the dissident politician 's next move will be.
Recruiting more vegans for studies in the future will help us understand how this diet affects health.
We should be thinking about airborne transmission of coronavirus.
New data shows how unhappy and polarised America has become – due largely to COVID-19.
Faced unexpected rises in COVID-19 admissions, computer models can help senior managers plan the use of hospital beds.
The opposition leader's return from poisoning will put pressure on the Russian president in a crucial election year.
Atheists may think more analytically than religious people, but it is far from proven.
Dead cities are enduring images in post-apocalyptic literature and cinema.
People with Barrett's oesphagus may still want to be especially careful about eating bacon.
Knowing what cells are more vulnerable could some day help researchers know why these cells are more vulnerable than others.
The Fourth Industrial Revolution failed to deliver; it's time that we put our faith once again in hard science.
Trees may be more resilient to future dry spells than scientists first thought.
With richer countries having bought up most of the leading western vaccines, others are looking to India, China and Russia for supplies.
The U.S. illustrates this week that changing a nation's leader without rethinking the system he or she is upholding is no longer acceptable for citizens. We need an improved form of democracy.
Prominent 'danger' signs are needed online to warn people about misinformation.
Access to parks and green space in England's cities is far from equal.
If all of humanity was wiped out tomorrow, it's estimated that the natural world would take at least five million years to recover from the damage humans have done to the world.
Based on what we currently know about the density of giant radio galaxies in the sky, the probability of finding two of them in this region is extremely small.
Climate models are likely underestimating the true severity of future warming in urban areas.
European figureheads have spoken out against Capitol rioters but also know they have problems in their own back yard.