Research has uncovered a surprising biological twist: molecules that help support healthy aging can also contribute to cancer growth.

As the calendar turns toward February 25, 2026, classrooms across the country are charged with a familiar blend of anxiety ...

Check section-wise last-minute preparation tips, time management strategy, and scoring techniques for high marks.

A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a ...

Complex cells are thought to be the result of a union between two ancient microorganisms, but scientists have long been ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

Aerobic respiration began hundreds of millions of years earlier than previously thought, a new study suggests. Oxygen is a vital and constant presence on Earth today. But that hasn’t always been the ...

Aerobic exercise, such as running, swimming, and dancing, may be most effective for relieving the symptoms of depression and anxiety, finds an overarching (umbrella) review and data synthesis of the ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...

Plants must breathe carbon dioxide to live, but every breath causes them to lose water that they naturally want to conserve. How do they manage this dilemma? Until now, observing this mechanism in ...

From “experimental archaeology” to the mysterious appeal of exploration, the wide-ranging subjects detailed in these titles captivated Smithsonian magazine’s science contributors this year Joe Spring, ...