Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

New Scientist Space - Cosmology

Syndicate content New Scientist - Home
New Scientist - Home
Updated: 4 hours 8 min ago

Solar-powered ambush drones can wait for targets like land mines

Tue, 07/29/2025 - 8:02am
Russian ambush drones have been seen in Ukraine fitted with cheap solar panels, which enable them to lurk indefinitely, waiting for a target to come near
Categories: Astronomy

Steadfast lifestyle changes seem best to improve cognitive decline

Mon, 07/28/2025 - 3:00pm
Healthy habits like exercising and eating well really do seem to improve cognitive decline, particularly if followed in a dedicated way
Categories: Astronomy

Puppy and cheetah cub make unlikely pair of step-siblings

Mon, 07/28/2025 - 1:01pm
An Australian zoo has recruited a puppy to help socialise a precious cheetah cub after she had to be separated from her mother, and the two have become firm friends
Categories: Astronomy

We may be able to share quantum entanglement nearly infinitely

Mon, 07/28/2025 - 1:00pm
A pair of quantum experimenters that share two entangled particles may be able to pass some of that entanglement to other pairs – and keep sharing it again and again
Categories: Astronomy

How to harness your body clock for a longer, healthier life

Mon, 07/28/2025 - 12:00pm
Your circadian rhythm influences mood, metabolism and even how well you respond to medical treatment. Now we finally have the tools to harness it to help us live longer and feel better
Categories: Astronomy

How revolutionary new tests can unlock the power of your body clock

Mon, 07/28/2025 - 12:00pm
Your circadian rhythm influences mood, metabolism and even how well you respond to medical treatment. Now we finally have the tools to harness it to help us live longer and feel better
Categories: Astronomy

A vast bubble around a dying star is too big to comprehend

Mon, 07/28/2025 - 7:00am
A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it
Categories: Astronomy

Signs of alien life on exoplanet K2-18b have all but vanished

Mon, 07/28/2025 - 6:00am
Earlier this year, astronomers reported possible evidence of life on another planet – but new observations from JWST suggest the apparent biosignature isn’t there after all
Categories: Astronomy

Solar drone with wingspan wider than jumbo jet could fly for months

Fri, 07/25/2025 - 6:00pm
A pioneering solar-powered drone aircraft operated by Skydweller Aero will be used for maritime surveillance
Categories: Astronomy

Negative social ties, like frenemies, could be ageing you

Fri, 07/25/2025 - 5:00pm
Having someone in your life who hassles you or causes problems could be adding 2.5 months to your biological age
Categories: Astronomy

Neanderthals were probably maggot-munchers, not hyper-carnivores

Fri, 07/25/2025 - 3:00pm
It has been claimed Neanderthals ate a huge amount of meat based on isotope ratios in their bones – but the explanation could instead be a diet rich in maggots
Categories: Astronomy

We are undergoing unprecedented loss of freshwater across the planet

Fri, 07/25/2025 - 3:00pm
Rising temperatures are causing water to evaporate and driving humans to extract more groundwater, which is moving freshwater from the land to the seas and creating a "continental drying" trend
Categories: Astronomy

Major carbon sink may have vanished for a second year in a row

Fri, 07/25/2025 - 10:00am
Record heat in 2024 caused ecosystems on land to emit nearly as much carbon dioxide as they took out of the atmosphere
Categories: Astronomy

Peculiar galaxy seems to contain surprisingly pristine stars

Fri, 07/25/2025 - 8:00am
Stars uncontaminated by heavier elements are thought to have formed very early in the universe, but a galaxy much later in cosmic history might let us see them for the first time
Categories: Astronomy

Intensely grieving a loved one could shorten a mourner's life

Fri, 07/25/2025 - 1:00am
Feeling profound grief years after a loved one has died could affect our own longevity
Categories: Astronomy

Why Trump's order targeting 'woke' AI may be impossible to follow

Thu, 07/24/2025 - 4:00pm
President Trump signed an executive order requiring companies with US government contracts to make their AI models "free from ideological bias". That could get messy for Big Tech
Categories: Astronomy

Record marine heatwaves may signal a permanent shift in the oceans

Thu, 07/24/2025 - 3:00pm
Fierce marine heatwaves were recorded globally in 2023 and 2024, and some researchers now believe they mark the start of a fundamental change with devastating consequences for life on Earth
Categories: Astronomy

Why a tech start-up wants to pump your faeces deep underground

Thu, 07/24/2025 - 12:00pm
Start-up Vaulted Deep, which just signed a deal with Microsoft, says storing human waste deep underground can keep carbon dioxide out of the atmosphere and pollutants like forever chemicals out of surface ecosystems
Categories: Astronomy

Thousands of seadragons are dying in Australia's toxic algal bloom

Thu, 07/24/2025 - 11:00am
An algal bloom in South Australia has caused mass deaths of many species since March - now researchers warn that leafy and weedy seadragons could be facing the threat of extinction
Categories: Astronomy

Our brain's mitochondria may play a crucial role in the onset of sleep

Thu, 07/24/2025 - 9:00am
Textbooks say that mitochondria exist to supply cells with energy, but experiments in fruit flies suggest they are also involved in sleep
Categories: Astronomy