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Ventilation can make schools and offices safe from covid-19 – but how?

18 August 2021

Maximising airflow in public spaces is crucial to cut covid-19 transmission, but questions remain about what technology to use and how effective it needs to be

Why it is so important to protect access to the dark night sky

18 August 2021

The night sky has wowed people since the dawn of time, but it is becoming increasingly difficult to get a good view, writes Chanda Prescod-Weinstein

E08ERC Sand dune landscape in Arabian desert.

We need to fully explore the planet to understand our species' origins

18 August 2021

The study of human evolution has neglected huge areas of Earth, and recent discoveries from Arabia suggest these places have a lot to tell us

Environmentalist Jonathon Porritt’s big idea to slow global warming

18 August 2021

Regenerating natural systems will draw carbon out of the atmosphere and help tackle climate change. We must recarbonise Earth now, says Jonathon Porritt

VPNs could be vulnerable to attacks that send you to fake websites

17 August 2021

Virtual private networks (VPNs), which have seen a rise in use as more people work from home, are vulnerable to an attack that removes the anonymity they grant users, researchers have found

The Australian Defence Force assisting people at the Qudos Bank Arena NSW Health Vaccination Centre

Covid-19: Lockdown not enough to stop Australia’s delta variant crisis

17 August 2021

After being relatively untouched by the pandemic, Sydney, Australia, is now in the midst of its worst covid-19 outbreak, which is being driven by the delta variant

Artificially stripped-back cell is still able to rapidly evolve

17 August 2021

An artificial “minimal cell” that has had all but the most essential genes stripped out can evolve and adapt to its surroundings just as fast as a normal cell

Will the IPCC report help focus politicians' minds on climate change?

16 August 2021

The recent report by the Intergovernmental Panel on Climate Change outlined the significant carbon cuts needed to avoid the worst of global warming, but government action is lagging behind

Illustration of our galaxy, the Milky Way seen obliquely, with the arms and the central bar in their approximate known locations. There are four major arms and one arm fragment (Orion-Cygnus or Local) where the Sun is found. In the annotated version of this image, the yellow dot indicates the position of the Solar System about 25000 ly from the galactic core. The Norma and Outer arms are in fact the same, but the two names refer to different parts of it. The same is true of the so-called 3kpc (3 kilo-parsec) arm, which further out becomes the Perseus arm.

Astronomers may have spotted a new spiral arm of the Milky Way galaxy

16 August 2021

Researchers have found a colossal filament of gas called Cattail at the edge of the galaxy – it could be a new spiral arm of the Milky Way, but we have no clue how it formed

US wildfire pollution linked to more covid-19 cases and deaths

13 August 2021

Polluted air caused by smoke released from record-breaking wildfires in the US last year has been linked to a strong increase in covid-19 cases and deaths