Black and white mapping of canals

The Extinct Civilization of Mars

Liquid water has been detected on Mars. We explore the history of the search, and the astronomer, Percival Lowell, who shook the public imagination.
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.
Artist's concept of buckyballs and polycyclic aromatic hydrocarbons around an R Coronae Borealis star rich in hydrogen. Credit: MultiMedia Service (IAC)

What’s between the Stars? Buckyballs!

How buckyballs fit into the formation of new stars.
"OregonCoastEcola Edit" by Cacophony edit by Noodle snacks - Own work. Licensed under CC BY-SA 3.0 via <a href="https://commons.wikimedia.org/wiki/File:OregonCoastEcola_Edit.jpg#/media/File:OregonCoastEcola_Edit.jpg" target="_blank">Wikimedia Commons</a>

Is the Pacific Northwest Due For a Big Earthquake?

The Pacific Northwest may be due for a big earthquake, and there is historical evidence to suggest it may be huge.
Bust of queen Nefertiti in the Neues Museum, Berlin "Nefertiti 30-01-2006" by Arkadiy Etumyan - Own work. Licensed under CC BY-SA 3.0 via <a href="https://commons.wikimedia.org/wiki/File:Nefertiti_30-01-2006.jpg#/media/File:Nefertiti_30-01-2006.jpg">Wikimedia Commons</a>

The Tomb of Queen Nefertiti?

The long undiscovered tomb of Queen Nefertiti may have been found.
An Earth-like planet in the foreground and the sun in the background

Kepler Finds Truly Earth-like World

The Kepler telescope discovers a habitable planet.
Hadron Collider

A Brief History of Quarks

Understanding the history and future of quarks.
Packaging for Munsell Crayons from the early 1900s

Color Us Munsell-Nickerson

The history of the Munsell-Nickerson color system.
Side-by-side comparison of Kennewick Man's skull and a reconstructed head.

A New Chapter to the Controversial Case of Kennewick Man

Kennewick Man is indeed most closely related to modern Native Americans. New results bolster the argument for repatriation and reburial.