A new protein analysis of Homo naledi skeletons reveals a curious twist—none of them seem to have Y chromosomes.

When it comes to choosing a partner, some species prefer males that stand out from the crowd. Evolutionary biologists call the resulting process negative frequency-dependent selection. It means that a ...

Mark Sammut serves as the lead editor of the Evergreen gaming list department for GameRant, along with contributing to other department like anime lists and resources. In a previous life, he also ...

One of the most important factors to consider when understanding male infertility is unlearning the stigmas around fertility. Many often regard infertility as only a “woman’s problem,” which Kolettis ...

This story is part of our new series, Reality Check, in which GH experts uncover the truth behind common misconceptions about health, safety, and everyday living. Chances are, there’s already a lot on ...

On Saturday, Golden Tempo sprinted to victory at the 2026 Kentucky Derby, becoming the latest long shot to win. But the impressive win was also a historic one: With Golden Tempo beating out ...

President Trump’s press secretary Karoline Leavitt is expected to give birth to her second child next week, according to a White House official. It is not immediately clear how long Leavitt will be ...

🛍️ Amazon Prime Day: The best deals chosen by our editors 🛍️ By Laura Baisas Published Apr 21, 2026 12:26 PM EDT Add Popular Science (opens in a new tab) More information Adding us as a Preferred ...

The work, which defined sex on the basis of a person’s combination of sex chromosomes, could help to explain why the risk of developing some brain conditions — such as schizophrenia and Alzheimer’s ...

In 2024, the relatively unknown Scottish writer and performer Richard Gadd had the strange experience of seeing the lowest moments of his life become the stuff of viral entertainment. His unsettling ...

Anesthesiology is playing an increasingly central role in healthcare, from operating room efficiency to perioperative strategy and national policy. These five physicians are advancing clinical care ...

Women continue to be underrepresented in cardiology, even as heart disease remains the leading cause of death in the U.S. These five physicians are among those helping to change that, advancing ...