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Fifty years ago, Richard Dawkins shared an irresistible scientific metaphor with the world that modernised and democratised evolutionary biology. Half a century on, The Selfish Gene remains powerfully insightful, finds Rowan Hooper

A start-up has worked out how to preserve the brain after death – paving the way for immortality in a distant future. But beginning to reckon with this reality yields serious practical and philosophical questions

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, thanks to highly precise observations from Japan’s XRISM space telescope, scientists have finally uncovered the source: a hidden white dwarf companion pulling in material and generating extreme heat. This discovery not only solves a 50-year-old mystery surrounding Gamma Cassiopeiae, but also confirms the existence of a long-predicted type of binary star system.

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, thanks to highly precise observations from Japan’s XRISM space telescope, scientists have finally uncovered the source: a hidden white dwarf companion pulling in material and generating extreme heat. This discovery not only solves a 50-year-old mystery surrounding Gamma Cassiopeiae, but also confirms the existence of a long-predicted type of binary star system.

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new data from ESA’s Gaia mission and NASA archives, researchers pinpointed worlds in the “habitable zone,” where temperatures could allow liquid water to exist. Some of the most intriguing targets include nearby systems like TRAPPIST-1 and Proxima Centauri, offering tantalizing possibilities just dozens of light-years away.

One in 10 homes tested in the UK, Italy and the Netherlands have dangerous levels of benzene because of slow leaks from gas hobs and ovens

Researchers have visualized atoms in motion just before a radiation-driven decay process occurs, revealing a surprisingly dynamic scene. Instead of remaining fixed, the atoms roam and rearrange, directly influencing how and when the decay unfolds. This “atomic movie” shows that structure and motion play a central role in radiation damage mechanisms. The findings could improve our understanding of how harmful radiation affects biological matter.

You’re the Lead Botanist on the third human mission to Mars whose primary job involves growing food for the crew throughout the long mission. While you’re very familiar with the infamous “poop potatoes” from the 2025 film The Martian, the greatest minds in science had since devised a more efficient, and less messy, method for growing food on Mars: cyanobacteria.

A new neural implant is so small it can rest on a grain of salt, yet it can track and wirelessly transmit brain activity for over a year. It’s powered by laser light that safely passes through tissue and communicates using tiny infrared signals. This ultra-miniature device could transform how scientists study the brain without invasive wiring.

NASA has outlined an ambitious strategy to start working on a moon base and send a nuclear-powered spacecraft to Mars by the end of 2028 — leading some observers to wonder whether the timeline was realistic or wise.

Galactic archaeology uses chemical fingerprints in the Milky Way to trace its formation and evolution. Now a team of researchers led by the Center for Astrophysics | Harvard and Smithsonian have employed it for the first time in a distant galaxy. This is the first example of extragalactic archaeology, and it relies on help from the powerful Illustris TNG simulations.

Our solar system’s rocky planets – Mercury, Venus, Earth and Mars – may have formed from two rings around the young sun, rather than a single disc

Infections are increasingly being linked to a higher risk of dementia. In the latest research, scientists have found that being treated in hospital for a severe infection seems to raise the risk of developing the condition over the next five to six years

The days are getting longer. Not by much though since we're talking about fractions of a millisecond, but the rate at which our planet is slowing down is, according to a new study, completely without precedent in the last 3.6 million years. The culprit isn't the Moon, the Sun or anything in Earth's interior. It's us, homo sapiens.

A quarter-century after its first observations of the full Crab Nebula, NASA’s Hubble Space Telescope has taken a fresh look at the supernova remnant. The result is an unparalleled, detailed look at the aftermath of a supernova and how it has evolved over Hubble’s long lifetime. A paper detailing the new Hubble observation was published in The Astrophysical Journal.

High in the Chilean Andes, at an altitude where the air is thin and the Sun is intense, a salt flat is hiding something remarkable. Locked inside ancient crystals of gypsum are the preserved remains of microscopic life, fossils of organisms that lived thousands of years ago, sitting alongside communities of microbes that are alive right now. Scientists studying this extraordinary place think it could be the closest thing on Earth to where life might once have existed on Mars.

Detecting gravitational waves has always demanded enormous machines; kilometre scale instruments capable of sensing distortions smaller than a proton. But a new theoretical study suggests the universe may have been leaving its calling card in the light emitted by individual atoms. If the idea holds up, the future of gravitational wave detection might not be sprawling observatories carved into the landscape, but something you could hold in the palm of your hand.

We've always thought that Tyrannosaurus rex was an unchallenged apex predator during the dying days of the dinosaurs. But a fresh look at controversial fossils has prompted palaeontology’s biggest-ever U-turn

CERN is working on building an antimatter delivery service. The project passed a big test by successfully transporting 92 antiprotons around a 4-kilometre loop of road

Heat shield design is one of the most critical aspects of missions that plan to either land on a planet’s (or moon’s) surface or return to our own. Spacecraft that have to survive the fiery, hypersonic plunge through an atmosphere require these systems. For decades, heat shields have been designed to slowly burn away in a process called ablation, which is intended to dissipate the incredible thermal energy or reentry. But, there’s another, less understood phenomenon that affects them too - spallation, where a heat shield sheds material in violent, unpredictable “bursts”. This second mode of destruction seems to be particularly prevalent in oxygen-deprived atmospheres, like that of Titan, where the Dragonfly helicopter plans to land in the not too distant future. A new paper published in Carbon from researchers at the University of Illinois Urbana-Champaign (UIUC) performed some tests showing just how different those heat shields might need to be.