Male birds don’t just lose their female-wooing prowess as they age, but also their ability to sire healthy chicks
The delicate balancing act between stresses of growth and adhesion can help demystify some painful nail disorders
From Martian vistas to glowing red nebulae, check out our picks for the best space images of the week
Leaked news from teams studying the early universe says the signal hailed as our first peek at space-time ripples really is just dust
Thermodynamics help explain why storms will become fewer in number but stronger in intensity as the planet warms
Naked mole rats enjoy exceptionally long, healthy lives, and there's more than good genes at work
The popular poultry is just one of many key food resources that hit peak production between 5 and 30 years ago
Here’s what you need to know about the science of constructing your very own Olaf
Choosing the viral targets for the seasonal flu vaccine is a gamble. Sometimes, like this year, the flu wins
Catch up on the week's best space images, from a cyclone's glowing eye to a surreal Martian vista
But adding small amounts of land to already protected areas could help save the island's biodiversity
On vacation in Antarctica, filmmaker and photographer Alex Cornell captured an unusual sight
No one even knows how many of the big cats are in the United States
In Russia’s Far East, an orphaned female tiger is the test case in an experimental effort to save one of the most endangered animals on earth
Strengthening the planet’s forests is one critical way to combat climate change
Contrary to earlier claims, a new study shows that evolution may be reversible
Vanilla-flavored rocks hint at a planet scoured by intense acid rain during the Great Dying 252 million years ago
X-ray scans can just tease out letters on the warped documents from a library at Herculaneum
A spitting sun, a well-loved lake and a happy accident on Mars star in this week's best space images
But perhaps unsurprisingly, Facebook and Twitter can cause stress to spread when bad things happen to friends and family
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