Skeletal fossils of the hand of Homo naledi

Homo Naledi: Our Newly Discovered Ancestor

Found in a cave in South Africa, the fossils have been determined to be from Homo naledi, a previously unknown ancestor of the human species.
"Stonehenge Wide Angle". Licensed under Public Domain via <a href="https://commons.wikimedia.org/wiki/File:Stonehenge_Wide_Angle.jpg#/media/File:Stonehenge_Wide_Angle.jpg" target="_blank">Wikimedia Commons</a>

Stonehenge’s Larger Neighbor

The discovery of Durrington Walls, a monument more formidable than Stonehenge, deepens the mystery of these Neolithic structures.
The habitat at sunset - photo by Sian Proctor
University of Hawai`i at Manoa

Sealed In A Dome For Science

NASA volunteers are experimenting with long-term isolation in a dome in preparation for long space flights.
A truck transporting newly cut trees out of the forest

Is Tropical Sustainable Logging Possible?

So-called sustainable commercial logging is not sustainable.
A swimming platypus

Venom Found in the Unlikeliest of Animals

Venom is used by some surprising animals, including mammals.
Astronauts on the International Space Station are ready to sample their harvest of a crop of "Outredgeous" red romaine lettuce from the Veggie plant growth system that tests hardware for growing vegetables and other plants in space.
Credits: NASA

Gardening in Space

Zero-gravity gardening: why growing plants in space isn't the same as here on Earth.
An empty turtle shell

Turtle Shells: More Than Meets the Eye

Turtle shells evolved over time from earlier precursor structures.
Google's self-driving car

That Time a Self-Driving Car Stared Down a Cyclist

A cyclist in Austin, Texas had an awkward encounter with a Google self-driving car when he approached a 4-way stop at the same time as the vehicle.
AFP/Getty Images

Hand to Ankle: A New Grafting Technique Offers Hope

The surgical reattachment or grafting of limbs has a short history because of its difficulty.
Close-up of a spicy Chinese chicken dish

Will Spicy Foods Preserve You?

Spicy foods may prolong life; they certainly act as food preservatives.