Michael Dhar

U.S. cities committed to the Paris climate accord after President Trump announced the country's exit. But how much can urban areas do?

Imagining the U.S. without federal environmental oversight from the EPA.

Meet some of the "first mutations" in human prehistory.

Get the science scoop on the animal kingdom's Mr. Fantastic, Invisible Woman, Human Torch and Thing. Can you guess which animals make the cut?

People who have problems sleeping may also be more sensitive to pain, new research finds.

Children who are prodigies may have certain genetic traits in common with people who have autism, new research suggests.

Star Wars' beloved droid C-3PO's astounding translation abilities might be the most useful in everyday life, and the most likely to be replicated by real-life AI.

Blessed and burdened with a tremendous learning capacity, Ultron masters 3,000 years of human history in a flash. But computers that learn are not only on the big screen, say experts.

The Turing test, a foundational method of AI evaluation, shapes the plot of the sci-fi/psychological thriller "Ex Machina." But real-life systems can already pass the test.

Artificial intelligence like the kind seen in the movies is getting real, as researchers work on robots with feelings like Chappie.

Here are the 12 best science nuggets from 2014's science-fiction films.

Sci-fi loves to mess with memory, but memory misleads in real life, too.

In the film "Guardians of the Galaxy," the character "Groot" is a walking, talking tree that seems to defy nature. How outlandish is the idea of a plant-animal hybrid?

Six of the people killed in the crash of Malaysia Airlines flight 17 were dedicated to HIV/AIDS research and programs, and researchers mourned their lives at recent a health conference.

The common skin growth called a skin tag, or acrochordon, usually develops in folds of skin and causes little to no harm. Still, these growths can be irritating, and doctors can easily remove them.

The sun, a massive nuclear-powered star at the center of the solar system, generates the heat and light that sustain life on Earth. But how hot is the sun?

If you've purchased a relatively cheap leather sofa, leather-bound books or an inexpensive belt, you might own a bonded-leather item. But what is bonded leather?

Sold since 1897, Jell-O has occupied a familiar place on American dinner tables for decades. But what is Jell-O made of?

A new system to train brain surgeons uses 3D brain models created based on actual patients.