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The World Health Organization’s director-general urges developed world to donate Covid vaccines to Covax programme.
Thinning indicates profound impact of humans and could affect satellites and GPS.
Vital international scientific work, including studies into how viruses spread, is being jeopardised by short-sighted cuts, says Prof Fiona Tomley
Osiris-Rex has been flying around the ancient asteroid since 2018 and collected nearly a pound of rubble last fall
Unless actions by governments and corporations cut emissions here and now, a dose of scepticism is in order, says Guardian environment editor Damian Carrington
US agency accuses Beijing of failing to meet expected standards regarding its space debris
Analysis of remains of crew on Henry VIII's favourite warship sheds light on diversity in Tudor England
The virus will overwhelm health services across South America, Asia and Africa unless world leaders take urgent action.
As two UK universities cut their courses, historians fear others could follow.
Warning comes after lack of new funding pledges at virtual summit attended by 40 world leaders and hosted by White House.
A survey reveals Britain is a more popular destination for studying than the US, Canada, Australia and Germany.
This project investigated how a lack of external contact would affect sense of time - and two thirds wanted to stay longer.
A vaccine developed by scientists at Jenner Institute, Oxford, shows up to 77% efficacy in a trial over 12 months.
Italian researchers enabled Pepper robot to explain its decision-making processes.
It is extraordinary that the museum is receiving funding from a fossil fuel giant for an exhibition on, of all things, the climate, says Guardian columnist George Monbiot.
Understanding these tiny organisms could be key to tackling threats such as coronavirus, but new research shows how little we know
New paint reflects 98% of sunlight as well as radiating infrared heat into space, reducing need for air conditioning.
A Guardian investigation exposes the breadth of state-backed manipulation of the platform.
Peter Armstrong, 81, has been critical of management's financial competence and 'bullying' tactics
Study finds 34% developed psychiatric or neurological conditions after six months.
His claim that 'greed' was the driver behind the UK's vaccine success ignores the huge role of state funding, says economics professor Mariana Mazzucato.
Mega-constellations could cause scientists to miss out on crucial discoveries, warn researchers.
Lifesaving research on fighting drought and climate change at risk after snap decision to halt crucial funding.
Exclusive: users are allowed to praise mass killers and 'violent non-state actors' in certain situations
Experts reveal 'cautious excitement' over unstable particles that fail to decay as standard model suggests
Major research projects will be cancelled, including those designed to head off future disease threats, warn scientists.
