For thousands of years, humans living high in the Argentinian Andes have relied on drinking water that would make most people deathly ill.

NASA astronauts have completed a historic spacewalk, setting the stage for new solar arrays that will power the ISS for years to come.

A Polycotylus plesiosaur fossil with a giant Xiphactinus fish bite lodged in its neck points to a fatal attack in prehistoric oceans.

Meteorite hunters fanned out across a wide swath of Ohio on Thursday, hoping to collect fragments of an estimated 7-ton space rock that crashed into Earth this week.

AI is helping scientists make sense of messy dinosaur footprints, offering new clues about how dinosaurs moved and when birds evolved.

For more than 20 years, a strange scar beneath the North Sea looked like the aftermath of catastrophe. Now, newly confirmed evidence has turned Silverpit Crater into one of the most dramatic hidden impact stories in Europe.

Researchers discover that the prefrontal cortex models the behavior of social partners, allowing groups to self-correct and maintain collective survival during hardship.

"Hearing back from the Coronagraph is amazing news."

A new species of small plant-eating dinosaur has been identified from a partial skeleton of a juvenile individual discovered in the Republic of Korea.

In a place few people ever reach, scientists uncovered footprints that had been quietly preserved since a very different world existed.

Streptococcus pneumoniae is a main cause of bacterial pneumonia worldwide. It can also cause ear and sinus infections and, in more severe cases, meningitis or sepsis. It shares the human respiratory tract with many closely related bacterial species. Among the…

In a recent opinion article, marine scientists and electrochemists listed a number of reasons why it's unlikely that metallic nodules on the deep seafloor could produce oxygen in total darkness.

Divers were searching the Bermuda Triangle for lost WWII planes, when they found an odd – and clearly human-made – artifact, buried in sand on the ocean floor.

It now appears Starship Version 3 is on track for an inaugural launch in April.

the Earth may eventually turn into Venus, but not anytime soon

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater using ground-penetrating radar. Perseverance was launched in…

Four tarantulas discovered in Arabia and Africa form a new genus, Satyrex, distinguished by males with unusually long palps and burrowing lifestyles.

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.

"You only need to affect one satellite's actions to cause problems."

SpaceX caught the interest of investors on Thursday following a successful rocket launch.

Transplantation technique lengthened survival in animals with an often-fatal mitochondrial disease.

The saiga antelope’s trunk-like nose looks like it belongs more on an elephant. But here’s why this appendage is so important.

A rare fossil from the Pisco Basin is reigniting the battle over great white ancestry and revealing just how much of the shark’s past may have been wrong.

The 4-mile trek will take up to 12 hours.

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA, suggesting these ingredients of life may be common in the solar system.

The night sky is full of wonder. Here's what to look out for tonight.

Cells in our bodies produce RNA based on genetic information stored in DNA, and RNA serves as a blueprint for making proteins. Researchers at KAIST have discovered a new phenomenon: Removing "circular RNA" that accumulates in cells as we age can slow down agi…

Data from the recently launched SWOT satellite, a wide-swath satellite altimeter, have been used to map tidal dynamics for thousands of coastal rivers and to document the factors controlling the inland extent of tides.

Blue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years.

"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.

A newly discovered cell-free fungal protein could revolutionize cloud seeding and climate modeling

Water from a prehistoric plant, the horsetail, contains an astonishing chemical signature that’s never been seen before on Earth.

Analyzing 20 million recorded mosquito flight paths revealed the mathematical rules behind how these tiny predators move and zero in on their human targets.

Mass spectrometry is already a powerful tool for determining what kind and how many molecules are present in a given sample. But most instruments still analyze their molecules one or just a few at a time, an approach that is inefficient and costly, and in whi…

A surprising new discovery about the platypus is challenging everything we thought we knew about this already bizarre mammal, leaving scientists baffled and eager for more answers.

The familiar phenomenon has puzzled researchers for centuries, but experiments are finally making sense of its unruly behaviours.