How likely is a Russian invasion of Ukraine?
The West is growing increasingly worried that Russia is planning a winter invasion of Ukraine, with US diplomats joining NATO and Europe in warning Moscow against any military action
AIDS: Years of research but still no vaccine
As the globe marks World AIDS Day, why is there still no vaccine to protect people from the Human Immunodeficiency Virus (HIV)?
What is known so far about new Covid variant Omicron
South African scientists have discovered a new Covid-19 variant, Omicron, with multiple mutations that is thought to be highly contagious. This is what is known so far about the Omicron variant.
More variants but delta still dominates
A new variant of Covid-19 detected in South Africa known as B.1.1.529 has caused flight bans and a scramble to determine vaccine efficacy, but will it overtake delta as the dominant strain of the virus?
Too much of a good thing: How antibiotics made superbugs
What are superbugs and how can we protect ourselves after the World Health Organization called antibiotic resistance "one of the biggest threats to global health, food security, and development"?
Should we really worry about inflation?
Whether it is the heating bill, filling the car or buying basic foodstuffs, inflation is eating into family budgets. Why are prices rising? When will it end and how can central banks bring inflation under control?
Coal exit, weed, sovereign Europe: new German govt’s roadmap
The three parties forming Germany's next government have presented their coalition agreement which touches on issues from climate protection, foreign policy and cannabis. What are their plans?
World needs trillions to face climate threat: draft UN report
Helping vulnerable nations cope with the multiplier effect of climate change will require trillions of dollars, not the billions now on the table at COP26, a draft UN report reveals
Hard hit nations demand ‘loss and damage’ help at COP26
While COP26 struggles to rustle up promised funding to help vulnerable states prepare for future climate impacts, nations already reeling from disaster are demanding separate money for "loss and damage"
Good COP, bad COP: UN climate meet praised and panned
The COP26 climate talks resuming Monday have so far unfolded on parallel planes, with high-level announcements stage-managed by host Britain riding roughshod over a laborious UN process built on consensus