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James Hansen, climate change researcher and activist, is retiring from NASA, but not without making some new waves.

The "Do Not Call" list sucks. Winners of a Federal Trade Commission contest propose some high-tech strategies to finally stop automated sales calls.

Later this year, the black hole in our own galaxy will do the same, munching on a passing gas cloud.

In the absence of solid evidence, statistics can help you decide for yourself.

Propulsion systems that could carry astronauts to Mars and beyond.

Also she is a very charming sea lion.

The drones flew above a volcano's crater and into its toxic plume.

The inside story of how an elite bomb squad dismantled the Unabomber's last deadly device

How intelligent roads—not just cars—will change transportation.

The roar of the millions-strong Magicicada is due back on the east coast this summer--the first time in 17 years. Here's how to track it.

How smarter appliances will simplify everyday life.

The European wildcat has a favorite place to pee, just like George Costanza.

Technology is helping Peruvian miners working in far-flung places.

Instead of using rockets or thrusters, a craft equipped with warp drive would move by distorting space.

A NASA scientist claims to be on the verge of faster-than-light travel: is he for real?

What does it take for a state to be selected as a drone test site?

Technology used to build NASA’s newest eyes on the heavens will help people see farther and clearer.

Technology has moved on, and the FBI wants to be right there, snooping on the latest tech.

Guess the species (either common or Linnaean) by tweeting at us--we're @PopSci--and get your name listed right here! Plus eternal glory, obviously. Update: we have a winner!

The most severe recorded earthquake in Oklahoma history may also have been the most severe earthquake ever linked to a certain oil and gas drilling operation.