Tory MPs use short-lived announcement of export ban to call for overhaul of trade deal, as EU chief is attacked over U-turnCoronavirus – latest updatesSee all our coronavirus coverageThe European Union’s threat to impose a vaccine border between Northern Ireland and the Republic risks reigniting one of Brexit’s bitterest disputes, as senior Tories said the move proved the need for an...

The llama has provided nanobodies that effectively prevent infection, but the use of other species in Covid research raises troubling ethical questions Cormac the llama lives a quiet life on a farm in Washington State, totally unaware that his unique immune system may be key to protecting the developing world from Covid-19.“He is an extremely charismatic llama … he’s a pretty cool guy,”...

As countries begin an age of Martian exploration, planetary protection advocates insist we must be careful of interplanetary contaminationNext month, three new spacecraft arrive at Mars. Two represent firsts for their countries of origin, while the third opens a new era of Mars exploration. The first is the UAE’s Emirates Mars Mission, also known as Hope, which enters orbit on 9 February....

Quebec astronaut and medical doctor David Saint-Jacques is currently in training at the McGill University Health Centre. 'Now is not the time to let our guard down, even though we've all had enough,' he...

Graves found under demolished student halls are providing valuable insight into life in a post-Roman settlementAn early medieval graveyard unearthed beneath student accommodation at Cambridge University has been described as “one of the most exciting finds of Anglo-Saxon archaeology since the 19th century”.King’s College discovered the “extensive” cemetery, containing more than 60...

The government's climate change advisors say it will compromise the UK’s legally binding carbon budgets.

You have to look – and sometimes very closely – but discovering small patches of woodland or flowers bursting through concrete makes me appreciate nature all the moreOne Friday morning last October, when we still could, I drove down from Brixton in south London to Somerset. It was one of those autumn days people anticipate in the midst of a sticky summer, with pillowy mist and low-lying sun...

Scientists have given a fascinating new insight into the next steps to develop fast, energy-efficient, future computing systems that use light instead of electrons to process and store information - incorporating hardware inspired directly by the functioning of the human brain.