New Scientist Space - Cosmology

Two or more satellites could communicate and manoeuvre around one another using magnetic fields, although getting the technique to work at scale in space might be tricky

It is impossible to get rid of anxiety because it exists to help us, says cognitive psychotherapist Owen O'Kane. Instead, he suggests three ways to reframe your relationship with anxiety in order to take back control

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago

Concerns around common sunscreen chemicals have prompted the search for natural alternatives, with lignin from wood being one of the most promising candidates

The strange principle of quantum entanglement baffled Albert Einstein. Yet finally putting quantum weirdness to the ultimate test, and embracing the results, turned out to be a revolutionary idea

Net zero wasn’t always the target – the consensus used to be that we could continue releasing greenhouse gases and maintain global temperatures. How did that change?

A pet cow has learned to scratch herself with a broom, showing creative problem-solving skills that make it harder to ignore the fact that these animals have minds, says Marta Halina

Time and time again, scientists have found that one diet beats all others when it comes to our health. Fortunately, it's delicious – and also good for the planet

How discovering that different parts of the brain work together as networks has transformed our understanding of everything from daydreaming and emotions to planning and memory

The “enormous revelation” that drugs can be used to prevent catching HIV has benefitted millions and helped slash transmission rates

A quarter of a century in, this is our definitive pick of the ideas in science and technology that are already transforming the world

They offered so much promise, but ultimately turned sour. These are the most disappointing ideas since the turn of the millennium

A "living glue" used by barnacles to attach to underwater surfaces could also seal gut wounds caused by inflammatory bowel disease

As tensions over Greenland rise, some Europeans are asking whether it is time to disentangle themselves from US tech dominance – but from smartphones to cloud services, rejecting US tech is easier said than done

It is theoretically possible for a particularly massive star to collapse in on itself to form a black hole rather than exploding in a supernova, and we might now have seen the process in action

In the 13.8 billion years that our universe has been around, some moments stand out over others – for the most exciting and impactful one, we have to go back to the very beginning, says cosmology columnist Leah Crane

The protein that protects tardigrade DNA from radiation and mutagenic chemicals was thought to be harmless, but can in fact have major downsides

Eruptions from volcanic arcs, found where tectonic plates converge, are one of the major drivers of natural carbon emissions, but a model of Earth’s ancient carbon cycle suggests this is a relatively recent phenomenon

A United Nations agreement to protect the open oceans from unsustainable fishing practices has now taken effect, in a huge win for marine conservation

Longevity diets often focus on going plant-based, but a study in China has linked eating meat to a long lifespan, particularly among older people who are underweight