Space alters an astronaut’s immune system

From microgravity to radiation, space wreaks havoc on astronauts’ immune systems, potentially putting them at risk of infection from microbes … More

You Have Your Mother’s Eyes — and Cells

Fetuses transfer some of their cells to their mother in a phenomenon called microchimerism. Drug Discovery News

Centuries ago, the discovery of two elements led to new — but unstable — yellow pigments. Today, scientists are deploying … More

Two computer scientists found — in the unlikeliest of places — just the idea they needed to make a big … More

Column One – The Los Angeles Times

It looks like a trashcan bobbing in the waters off the California coast. But it’s hardly garbage. In fact, it … More

Multiple species of saber-toothed cats went extinct about 10,000 years ago while coyotes survived — becoming the apex predators famous … More

Green pond scum floating on a lake is not just unsightly. As animal lovers have learned the hard way, it … More

Why don’t more girls grow up to become scientists and engineers? It’s not that they’re bad at math, a new … More

Around 210,000 years ago, an early human died in southern Greece — leaving scientists with the earliest evidence of human … More