![An artist's rendering of two strands of DNA, one blue and one pink, with tiny X and Y chromosomes in the background](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/fgQyf7S8t6nBnod9h7KLym-320-80.jpg)
Why genetic testing can't always reveal the sex of a baby
Gender and sex are more complicated than X and Y chromosomes.
Gender and sex are more complicated than X and Y chromosomes.
If there's life on Jupiter's moon Europa or Saturn's moon Enceladus, it could have a network of deep-sea hydrothermal vents to thank for its existence, new research suggests.
"Even the +, −, =, and × signs we take for granted only came into widespread use in the 17th century. Which means that the earlier algebraists we know of … all had expressed their equations mostly in words or pictorial word images"
A bridge that collapsed 2,000 years ago in what is now Switzerland may have fallen on Celtic sacrifice victims, a new study finds.
China's Chang'e 6 mission return capsule has been transferred to Beijing and opened to access its precious cargo — samples from the moon's mysterious far side.
A new multiwavelength 3D visualization of the iconic "Pillars of Creation" showcases the differences between Hubble and James Webb Space Telescope data.
The diversity of even the largest animals depends on the smallest factors.
Nikon release its best entries so far for the Comedy Wildlife Awards 2024.
The X-ray-emitting binary system Cygnus X-3 features a massive star donating matter to a compact object, probably a black hole. That may explain its perplexing brightness.
Many people are familiar with the sharp pain that can strike beneath your rib cage during exercise. But what causes it?
The unique shape of an ear bone belonging to a Neanderthal child found in a cave in Spain suggests that she had Down syndrome.
Engineers say they have created a design for a robot capable of jumping 400 feet into the air — and it could one day be heading for space.
Tasselled wobbegong sharks are so well camouflaged they can vanish on the seafloor, waiting for unsuspecting prey to pass before lunging forward to suck their victims into their giant mouths.
Cancer researcher Iñigo San Millán is also a coach to Tadej Pogačar, a favorite to win this year's Tour de France. In this interview, San Millán discusses his work in both arenas.
The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?
Researchers previously thought the calendar ring on the Antikythera mechanism tracked the ancient Egyptian calendar, but new research suggests it tracked the Greek lunar calendar instead.
On Saturday (June 29), an asteroid larger than the Great Pyramid of Giza will fly past Earth at about three-quarters the distance from Earth to the moon. The asteroid, named 2024 MK, poses no risk to our planet.
Clothes don't survive the way artifacts made of stone, bone and other hard materials do, so scientists have to get creative to answer this question.
Research on whether animals can recognize themselves in the mirror began in 1970 1 and just a handful of species have since passed the test ever since.