BBC

Immunity is the crucial question and understanding it will tell us how the pandemic will end.

Downing Street confirms the PM's chief adviser attended Sage meetings but denies he is a member.

Tackling climate change must be woven into post-Covid economic solutions, UK ministers say.

The strategy devised by scientists was to keep large parts of society open but not everyone is convinced.

Public transport usage won't recover to pre-Covid19 levels once the lockdown ends, a survey suggests.

New techniques are being used to transform images from Hubble into spectacular 3D visualisations.

Surviving trees growing near to an active volcano face an uncertain future for several years after an eruption, a study suggests.

Three decades on from its launch, the orbiting observatory is still producing cutting-edge research.

The health of insect populations globally is far more varied than previous research suggested.

The 5,100 sq km behemoth which broke away from Antarctica in 2017 drops its own large chunk of ice.

It's thought the Covid-19 outbreak may have begun in a Chinese market that sold wildlife alongside food.

Millions of stargazers have been witnessing the unusual constellations made up of the low orbit satellites.

Scientists map ancient underwater landslides in the region chosen for Jakarta's replacement.

The graceful bird is making a comeback thanks to re-introduction and habitat restoration.

Europe is heating faster than the global average as data shows last year was the warmest on record.

Last year's failed attempt to locate one of the world's great wrecks has lessons for future efforts.

Environmental crises must not be forgotten amid the pandemic, says the UN Secretary General.

There are no drugs proven to help doctors treat the disease, but work is under way around the world.

The impact on human health of an invasive ragweed plant may be "seriously underestimated".

The UK government's climate adviser says