Male Sex-Reversed Frogs Hold Their Own in Fertility Competitions

Why are human births so difficult? Male babies—not just upright walking—may be to blame

Can an All-Female Nude Spa Bar Transgender Clients With Male Genitalia? The Supreme Court May Decide.

Retaliation

Many Space Missions Are Searching for Life Beyond Earth—But Are We Prepared for the Fallout If They Succeed?

Study predicts large disparities in access to food, water, and energy in 2050

Second Amendment Roundup: 1st Volley of Briefs Filed in Viramontes

Iowa’s University Reforms Show the Way Forward

Europe’s Security Depends on a Clear Electrification Target

The Labor Movement’s AI Split

Kahlil Gibran on the Courage to Weather the Uncertainties of Love

Fertility clinics are offering young mitochondria in controversial fertility technique

Traditional Schools Are Losing Their Grip on K-12 Education

Why Do Male Chimpanzees Throw Rocks at the Same Trees for More Than a Decade?

Maryland Synagogue Challenges Restrictive Gun Law

No Two People Age in the Same Way

The 17 minutes that changed America

Today in Supreme Court History: September 4, 1851

Americans are indifferent to art. But they obsess over art heists. "It’s as though a nation of teetotalers chooses, year after year, to hang out in bars

How Did HeroCare Make $40 Million?

Mamdani Wants To Block a Law Giving Teachers' Aides $10,000 Bonuses. The Teachers Union Is Not Happy.