Octopus vulgaris.

Consider the Octopus

Are octopuses as solitary and introverted as we previously imagined?
National Wildlife Refuge

The History of the National Wildlife Refuge System

Malheur National Wildlife Refuge has been occupied by armed militants since January 2, 2016. But where did the National Wildlife Refuge system come from?
Periodic elements

The Ever-Evolving Periodic Table of Elements

Four new elements--113, 115, 117, and 118--have been added to the periodic table. But the search for new elements hasn't always been so systematic. 
Promo image from The X Files with David Duchovny and Gillian Anderson

Reopening The X-Files: Is ESP Possible?

"Here I am again, Scully, up late pursuing this obsession with ESP." "It's a fraud, Mulder."
Hobbits from The Lord of the Rings. Photo credit: Neal Peters Collection

Were Hobbits Real?

New research suggests that a distinct species, dubbed "hobbits", existed between 17,000 and 95,000 years ago.
Extreme ultraviolet light streams out of an X-class solar flare

The Threat of Solar Flares

Solar flares are highly unpredictable and difficult to anticipate. But their threat is very real.
North American Nebula

The Search For Antimatter

Physicists, in recent years, have been trying to find evidence of antimatter in the universe. Its existence could overturn the Big Bang theory.
The Pyramids and Sphinx

Using Technology to Understand the Pyramids

Technological advances continue to play a strong role in our efforts to understand the great pyramids of Egypt.
Albert Einstein during a lecture in Vienna in 1921

Entanglement: A Milestone for Quantum Mechanics

Advances in quantum mechanics has proved the existence of entanglement, a principle even Einstein had a hard time swallowing.
Electrolytically refined pure (99.989 %) superficially oxidized lead nodules and a high purity (99.989 %) 1 cm3 lead cube for comparison.

Lead: Our Four-Thousand Year Old Pollutant

The history of lead pollution goes back 4000 years.