Science

Could Donald Trump ever say anything so mad that Farage would disagree with it? On this evidence, no - probably not

Nasa’s Perseverance rover has found organic carbon in Martian rocks – but scientists have warned against jumping to conclusions after previous false alarms

New experiments have failed to prove that cold fusion will lead to a practical energy source

This film by Chinese physicists lasts just 60 thousandths of a second, and can only be followed by eye when slowed down by a factor of 30 or so

The UK adopted intrusive US-style sirens in the 1990s. They’re scientifically worse for our ears and our sleep than the ones used in Europe. Do they have to be so shrill?

Some of the best science fiction is not so much about dreaming up futuristic technologies but imagining the kinds of societies they will engender

Digging into the detail and data to separate the noise from the news

A new exhibition charts humanity’s long, losing battle – there’s either too much or too little, and it’s always in the wrong place

Nuclear power may be essential for a future lunar base, but Nasa’s latest announcement looks more like a flag-planting contest than a serious mission plan

Anti-vaccine lies mean the disease is now spreading in Britain, the US and around the world. And this is just the start

Ideologues don’t like science because it confronts them with truths they can’t dismiss. Donald Trump seems to think he has a workaround

How a Tanzanian secondary school student's ice cream making prompted a probe into why hot water can sometimes freeze faster than cold water

We can’t be sure that, even if life were staring us in the face on Europa, we’d recognise it as such

It appears that our vocabulary is entrained with the Zeitgeist, whether we like it or not

It seems ironic that the more deeply we want to see into the world, the bigger we have to make our instruments

A new telescope, 2,650 metres up on a mountainside in Chile, is one of the most ambitious astronomical projects of our times

Digging into the detail and data to separate the noise from the news

The worry is that this becomes a technology that we use because we can rather than because we know it can make a difference

Finance companies have moved out and the empty buildings aren’t suitable for homes. Is a community-focused redevelopment the way forward?

It seems that, in the quantum world, making a measurement doesn’t tell us how things are but actually determines how they are: it creates our observable reality

Donald Trump’s claim to have taken nuclear arms out of Iran’s hands is probably little more than bravado

Surveys indicate that there’s no sign of convergence, even after 100 years, about the various interpretations of the theory that have been put forward

Experiments to combat climate change using ‘iron fertilisation’ to boost plankton growth, first proposed in the 1980s, remain unproven and contentious

Leading neurotechnologist Philip Low and the world’s richest man were once inseparable. Now, in an exclusive interview, Low explains why he calls his ally a power-mad narcissist – and predicts how Musk will react now Trump has turned on him

2017 OF201 is the largest object to have been found in our solar system for more than a decade

Truly groundbreaking scientific discoveries may be on the decline – but it’s not because we’ve run out of big ideas

Conspiracy theorists blame vapour trails on a strange experiment endorsed by Keir Starmer. And the craziest thing is… they’re half right

The US has long led the science world but now, researchers are moving abroad to continue their work

Scientists at the University of California claim to have created a new colour, called ‘olo’, which is outside the human visual spectrum

The creation of a genetically modified Ice Age wolf has sparked a scientific backlash over the politicisation of ‘de-extinction’

Astronomers have detected potential biosignatures on exoplanet K2-18b, but experts warn that the evidence is inconclusive

Astronomers have discovered that the mysterious force accelerating the universe’s expansion appears to be weakening over time