Stories by Jackie Flynn Mogensen

Avalanches like the one that devastated parts of Nepal and Tibet are becoming more common thanks to climate change. Here’s where else is at risk

In a near-total lunar eclipse, the moon turned red-orange for viewers in North America, Europe and Africa

In a clinical trial, people with obesity saw clear health benefits on the keto diet that they didn’t see on two other popular eating regimens

A pair of new studies point to the role of early menopause and hormone treatment in cognitive decline, but more research is needed, experts say

A request for information from the Department of Health and Human Services seeks public input as to how vaccines are categorized

This near-total eclipse will be visible from the Americas, Africa and Europe—here’s how to see it

The world’s oceans hit 21.10 degrees Celsius last Saturday, breaking a record set in 2024

Even as cases of diseases such as measles rise, childhood vaccinations are declining, thanks to changes in public health policies and antivaccine sentiment, experts say

The area of Europe affected by wildfires is due to triple, a new study finds

Testosterone is a longtime favorite of the bodybuilding crowd, but now the hormone is being touted for perimenopause, “looks maxxing,” and more

The 2001 Roadless Area Conservation Rule protects the nation’s forests from logging and other industry activities

The unicorn of the sea’s spiral tooth has long been a scientific enigma

El Niño years typically mean warmer ocean temperatures and less wind shear in some parts of the Pacific—and that means more potential for hurricanes

Hawaii rarely sees direct hurricane hits—if Lala strengthens, it will be just the third recorded hurricane to make landfall there

This extreme rain was deadly, with at least eight people killed and many others stranded

This storm, a rarity for this part of the Pacific, is expected to bring heavy rains, strong wind and possibly “life-threatening flooding” to Hawaii this weekend

We asked a simple question: What’s in kids’ squishy toys? Finding an answer was surprisingly complicated

In a retrospective study, people taking estrogen-only hormone therapy for menopause were less likely to see signs of dementia

President Donald Trump and other Republican officials had criticized this chapter as biased against fossil fuel companies

The president called for the combined measles, mumps and rubella (MMR) vaccine to be split into separate shots, despite decades of research showing that the MMR vaccine is safe and effective

Dogs are known to recognize and respond to human facial expressions, but a new study shows how deeply they understand our mood

Fauci previously served as the chief medical officer to President Joe Biden and led the U.S. COVID pandemic response effort during the first Trump administration

It may be time to rethink our relationship with the sweet stuff

Most of the world’s population carries at least a little Neanderthal DNA