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Interest in the anti-parasitic drug ivermectin skyrocketed during the covid-19 pandemic, but evidence for many of its supposed health claims are lacking ...

The "One Big Beautiful Bill" just signed by President Trump will slash support for clean energy, leaving the US far short of its Paris Agreement pledge ...

Ancient humans in Africa changed their behaviour in a major way 70,000 years ago, which could explain how their descendants managed to people the rest of the world ...

Putting aerosols in the stratosphere to reflect sunlight could prevent the shutdown of key ocean currents, but only if it is done soon, a computer model suggests ...

Ordering takeaway food, writing emails, reworking presentations: AI assistants are promoted as a way of outsourcing mundane tasks to free up your time for more interesting pursuits. So, what are they actually good for - and what are the risks?

The loss of snow cover in temperate forests is set to slow their growth and reduce their ability to remove carbon from the atmosphere, an overlooked consequence of climate change ...

Some numbers are so unimaginably large that they defy the bounds of modern mathematics, and now mathematicians are closing in on a number that may mark the edge of this bizarre abyss ...

Suddenly feeling old? Evidence now suggests that rather than a long, steady decline, we dramatically age around three specific times in our lives. Might it be possible to stay younger for longer?

Around seven asteroids or comets are thought to hit Saturn ever year, but we have never spotted one in the act. Now, it seems one astronomer may have caught the moment of impact and the hunt is on for other images to verify the discovery ...

Drugs and explosive chemicals are difficult to detect, but a device more sensitive than a dog's nose can pick up their traces in seconds ...