Sebastian Echeverri

The saltmarsh sparrow could be gone in less than 20 years.

This year, student scientists learn about DNA, digestion, and fingerprints at their local libraries.

Built like inch-long tarantulas and painted in earth tones, the spider seems like something one might find in a documentary, not along Cobb’s Creek in West Philly.

This lightweight material could make science fiction into science fact.

Need to think of new ideas? Try playing Minecraft.

What happens on the Internet doesn’t stay there.

He does whatever a spider can--and it turns out, spiders can do quite a lot.

Sex, drugs, and screaming bugs: for cicadas, zombies are real.

Regular superglue is permanent and unforgiving. But this one has an Undo button.

No need to travel to Australia or the Amazon to see a giant spider eating something five times its own size—some of these impressive hunters are locals. Visit Roxborough-Manayunk and you might just see a fishing spider earning its namesake.