Science

Some asteroids appear to accelerate in ways that can’t be accounted for by gravity, suggesting they might be firing out invisible jets of gas

Billions of years ago, crushed quartz reacting with water could have created the conditions needed for the evolution of the photosynthetic microbes responsible for most of the oxygen now in Earth’s atmosphere

A lack of detail may be the best indication that someone is lying to you, according to an investigation that found this single measure was more accurate at identifying falsehoods than considering multiple factors

An imaging technique has allowed researchers to record detailed three-dimensional video of small creatures, including ants, flies and zebrafish larvae

Habitat and hunting protections have helped orca numbers rebound globally, but a group in the North Pacific Ocean is still shrinking – probably because it is isolated from other populations

In his final years, Stephen Hawking tackled the question of why the universe appears fine-tuned for life. His collaborator Thomas Hertog explains the radical solution they came up with

The sixth synthesis report from the IPCC once again warns that without immediate and massive emissions reductions, limiting global warming to 1.5°C will be beyond reach

The Intergovernmental Panel on Climate Change isn’t due to produce its next report until 2027, which could allow political focus to move away from global warming, campaigners have warned

The 2023 vernal equinox in the northern hemisphere occurs on 20 March, but it’s not strictly true that this means day and night are the same length

To celebrate the launch of our new Essential Guide all about exercise, New Scientist editors have selected some of our most insightful premium articles about the science of physical fitness