In the wake of the deadly flash floods in Texas, state leaders are exploring whether to install more flood warning sirens. Such sirens can save lives if they're part of a larger warning system.

The UNAIDS annual report warns that Trump-era HIV funding cuts could lead to 6 million more infections and 4 million deaths by 2029 — as low-income countries struggle to fill the gap.

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

The Khao Kheow Open Zoo was overrun with Moo Deng fans on the first of four days of activities marking the birthday of the adorable social media sensation.

Journavx is the first truly new painkiller approved by the Food and Drug Administration in more than 20 years. But the drug is expensive, and many people can't get it yet.

The Trump Administration's financial cuts to global development programs pose a challenge for organizations fighting deadly infectious diseases both in the U.S. and abroad.

According to the American Psychiatric Association, more than 30% of Americans say their sleep quality is poor or they aren’t getting enough sleep each night.

A recent study shows that top scavengers, like hyenas, can be beneficial for human health. But the same study reveals that scavenger populations are declining and could mean more disease for humans.

The first new non-opioid for severe acute pain has been on the market for a few months. But it's a lot more expensive than opioids, and many people can't get it because of spotty insurance coverage.

During the COVID-19 pandemic, skepticism of science and medicine broke down along partisan lines.