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Parents might age faster or slower based on how many kids they have

A new study found that women in Finland who had a lot of kids—or none—aged faster than those with one or a few kids. But the findings don't necessarily translate to today's parents

Sonic booms can protect Earth from dangerous space junk

Scientists are using technology developed to study earthquakes to address an out-of-this-world risk

Is the flu shot linked to dysphonia? Here’s what the science says

The U.S. secretary of health and human services told USA Today that he believed the flu jab was a "potential culprit" for his spasmodic dysphonia that he could not "rule out"

Colon cancer is killing more young people in the U.S. than any other cancer

Fewer people under age 50 are dying from cancer in the U.S., but colorectal cancer mortality rates continue to surge

NIH ends fetal tissue research

The National Institutes of Health's move to end support for research using fetal human tissue is "clearly a political decision, not a scientific one," one expert says

Forensic science meets ancient art—inside the quest for Leonardo da Vinci’s DNA

Researchers are using cutting‑edge DNA techniques to hunt for genetic evidence in centuries‑old artworks in an effort to better understand the genius of Leonardo da Vinci

Dolphins with more close friends age more slowly

A study of dolphins' epigenetic ages found that animals with more high-quality friendships were biologically younger than their lonely peers

This is the most complete skeleton yet of our ancestor Homo habilis

A partial skeleton dating back more than two million years is the most complete yet of Homo habilis, one of the earliest known species in our genus

What’s the biggest explosion in the universe?

From planet-scorching stellar outbursts to cataclysms so powerful they shiver the very fabric of spacetime, these are some of the biggest blasts our cosmos has to offer

Why mining Greenland’s minerals is so challenging

Greenland's mineral resources hold massive economic potential, but accessing them isn't easy

Scientists create exotic new forms of ice never before seen on Earth

Ice has many forms beyond the mundane stuff produced in a standard freezer

Why are winter storm forecasts all over the place?

A major winter storm will bring frigid cold and to tens of millions this weekend, but why is it so hard to pin down who will get snow, ice or rain?

Why Apple and OpenAI are reportedly betting on AI hardware in 2026

Tech giants are betting that we are finally ready to invite a persistent digital device into our lives

Weaker radiation limits will not help nuclear energy

Relaxing radiation safety standards could place women and children at higher risks of health issues

How zoos are preparing animals for winter storm Fern

This weekend's freezing temperatures and snow won't just impact humans—zoo animals need to get ready for the storm, too