The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.

The Trump administration has reportedly disrupted over 100 clinical trials. Science News spoke to researchers about the impacts on four of them.

A long-elusive, hypothetical subatomic particle called the axion can be simulated and potentially detected in a type of thin material.

The phase I clinical trials showed stem cell transplants for Parkinson’s disease appear to be safe and might restore dopamine-producing brain cells.

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

Two cases of alpha-gal syndrome suggest that the lone star tick isn’t the only species in the United States capable of triggering an allergy to red meat.

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

Adam Becker’s new book, More Everything Forever, investigates the dangers of a billionaire-driven tomorrow, in which trillions of humans live in space, served by AI.

SAMHSA’s work is crucial to suicide and drug overdose prevention and mental health care. It may fall victim to changes to public health infrastructure.

An initial clinical trial in Kenya found no safety concerns, a first step toward testing unithiol as a treatment for venomous snakebites in people.

Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.

In their new book, Lydia Kang and Nate Pedersen survey flat Earth theory, fake moon landings and other scientific myths and why people believe them.