The Conversation

Pioneering Mars missions that paved the way for Perseverance, Hope, Tianwen-1's arrival this month

Perseverance will be the fifth rover to arrive at Mars that's capable of venturing across the surface of another planet.

Pair of distant ‘baby’ black holes appear to be misbehaving – experts are perplexed

The study was the first 'spectral variability' survey to study how galaxies change brightness at different frequencies.

Vaccine cold storage chain doesn't reach everywhere: A key threat to equitable Covid-19 vaccination

There are public health, moral and ethical reasons to invest in vaccines that can be delivered using non-cold-chain approaches.

Ocean like no other: Southern Ocean’s rich ecology, significance for global climate

Every expedition reveals new species, some of which are potentially commercially valuable, and all of which are important parts of the Southern Ocean ecosystem.

Sperm cells have fooled scientists for centuries: They don't 'swim', they move as their tails 'spin'

Sperm 'drills' into the fluid like a spinning top by rotating around itself whilst its tilted axis rotates around the centre.

Scientists discover quantum paradox that throws the foundations of observed reality into question

The finding is the strongest result yet in a series of quantum mechanical discoveries that have upended our ideas about reality.

How deadly is COVID-19? Actual fatality rates are tricky to uncover, but researchers are getting closer

Estimates of fatality rates give everyday people an understanding of their COVID-19 risk, which varies from person to person.

COVID-19 treatments: Which drugs, therapies are proven to work, and which ones don’t?

We have made amazing progress in the treatment of COVID-19. Two therapies, in particular, have already been shown to help.

Why is the Sun’s atmosphere hotter than the surface? Parker probe's data likely to find out

The intensity of flipping magnetic field Parker observed near the sun could play a key role in solar wind & heating the corona.

Climate refugees: why we can’t yet predict where millions of displaced people will go

With global warming expected to produce millions of climate refugees, Individuals and organisations are scouting for ways to help them.