High in the Ecuadorian Andes, at altitudes thousands of meters above sea level, humans face environmental pressures very different from those at lower altitudes.
The human body can acclimatize, physiologically, to the lower levels of oxygen in…

High in the Ecuadorian Andes, at altitudes thousands of meters above sea level, humans face environmental pressures very different from those at lower altitudes.
The human body can acclimatize, physiologically, to the lower levels of oxygen in…

The asteroid Bennu is full of surprises that keep on coming, each one helping scientists close in on answers to the origins of life. The latest inspections of Bennu’s samples reveal that the asteroid almost sounds like it could’ve been home…

The ancient underwater port of Alexandria still hides treasures from the days of Cleopatra, Julius Caesar, and Mark Antony. Divers know the city’s royal harbor once dazzled the ancient world, but every now and then, something turns up that…

Most people are familiar with the Black Death, a plague that killed millions of people during the Middle Ages. But did you know there was a similar plague years earlier?
This plague featured an earlier strain of Yersinia pestis and occurred during…

For more than 140,000 years, a tiny human species lived deep inside Liang Bua, a limestone cave on the Indonesian island of Flores. Then, sometime between 61,000 and 55,000 years ago, the cave fell silent. Homo floresiensis — the 3-foot-tall…

X-ray space telescopes XMM-Newton and XRISM have captured stunning observations of the universe, including a never-before-seen blast erupting from a supermassive black hole.
According to the European Space Agency, after the telescopes captured…

Female bonobos send one of the most confusing signals in the primate world: a bright pink genital swelling that stays fully inflated long before — and long after — they’re actually fertile. It looks like a terrible cue: vague, misleading,…
When Illinois landowners noticed tree deaths and diseases on their properties ramp up in 2017, they suspected industrial agriculture. A survey found herbicides in 90 percent of tree tissues

We’re excited to introduce an elegant new chapter for Discover. Starting in 2026, we will publish four beautifully crafted print editions each year, thoughtfully aligned with the seasons. This refined approach is designed to offer a more…

Cats meow more at owners who are men than women, new research has found, possibly because men tend to be more aloof when it comes to giving their pets attention.
Led by a team from Ankara University in Türkiye, the research is based on video…