Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.

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.

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.

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

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

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.

People are buying semaglutide and tirzepatide, the key ingredients in Ozempic and Zepbound, from unconventional sources. Doctors have safety concerns.

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.

New dinosaur fossil tracks on the Isle of Skye reveal that the once-balmy environment was home to both fierce theropods and massive sauropods.