
Unusual creatures are more appealing: What guppies teach us about evolution
Spanish biologist Ignacio Paulin became fascinated by the behavior of these fish, in a project that could now disappear due to budget cuts by the Trump administration

Spanish biologist Ignacio Paulin became fascinated by the behavior of these fish, in a project that could now disappear due to budget cuts by the Trump administration

The geneticist speaks with EL PAÍS about the advances and challenges in the field of cancer research

A new study explores multiple scenarios and concludes that civilizations are more likely to collapse when they consume resources faster than they can regenerate them

New research reveals that at least one in 10 assignments is produced with AI assistance. The majors where students cheat the most are economics and journalism

A team led by Spaniard David Lagares is searching for a treatment for pulmonary fibrosis and other ailments associated with cellular senescence

Chinese scientists obtain the first molecular evidence of interbreeding between our ancestor ‘Homo erectus’ and the Denisovans, relatives of the Neanderthals

Three dismissed members warn EL PAÍS that the Republican is trying to take control of an institution protected by law: ‘This is unprecedented’

A study describes two species with powerful beaks, and possibly intelligent, that hunted in the Cretaceous seas

The Spanish researcher at London’s Francis Crick Institute has manipulated a fly’s neurons to make it obsess over an exotic fruit

A ‘Science’ article warns of the scant regulation governing platforms that allow betting on current events and urges a legal response comparable to the one applied to tobacco companies or social‑media giants

A six-year study reveals that the rodent, which does not develop cancer or feel pain, also has a more sophisticated system of governance than previously thought

In his new book, the Harvard professor of anthropology, a former colleague of Jane Goodall, reflects on humans’ complex relationship with violence

Genetic analysis reveals that dogs already lived closely with Paleolithic humans and, in two sites, were buried in the same way as human dead

EL PAÍS reconstructs what many media outlets sold as ‘the news story of the year,’ and some of its protagonists described as a ‘disgrace’: the supposed ‘gold medal-level performance’ by big tech, which overshadowed the real competition involving 600 youngsters

A new study analyzes why the social gesture is important when it comes to information and survival, even among antisocial animals

Childhood amnesia prevents us from retaining experiences before age three. Yet those experiences strengthen the emotional bond between parents and children and support children’s social, emotional, and cognitive development

‘It seemed deeply unfair that in this era of precision medicine, where targeted therapies are the treatment of choice for cancer in humans, they didn’t exist for cats,’ says the senior author of the study

A new review of data from thousands of twins estimates that up to 55% of lifespan is hereditary
An analysis of 100,000 special issues of academic journals reveals that one in eight is filled with articles written by the editor, particularly at the publisher MDPI

The researcher is a pioneer in techniques for manipulating mice brains to change how they recall past events

The finding in South Africa identifies toxic alkaloids in these projectiles, used for hunting during the Paleolithic era

A study of 160 people over a century old includes some of the oldest humans on the planet

Around 16,000 new species are described each year, but most animals and plants are listed as threatened as soon as they are brought to light

The French-American scientist heads the Carl Sagan Center and researches the potential for humans to inhabit the extreme environments of our galaxy

Fish, birds, reptiles, amphibians, and even a few mammals rely on magnetoreception for navigation. But the exact mechanism underlying this skill is still unclear to experts
The prestigious publication selects the rise of solar and wind power as the main scientific breakthrough of the year and laments the White House’s ‘poor decision’ to back fossil fuels

The health specialist has published a book that has 80 recommendations for avoiding toxins, as well as advice for a healthier life, away from harmful substances