Dark matter can be inferred from an assortment of physical clues in the universe. NASA

The search for dark matter gets a speed boost from quantum technology

Feb. 10, 2021

Quantum squeezing alone isn’t enough to scan through every possible axion frequency in a reasonable time

Net winged beetle

Net-winged beetles advertise defenses with brilliant color, noxious odor

Feb. 2, 2021

Trilobite beetles are perhaps the most bizarre of all the net-winged beetles Some insects are cryptic, blending in with their backgrounds to hide from predators, while others are brightly colored, noisy, or form dense and conspicuous aggregations to warn their predators away. Red net-winged beetles, Dictyoptera aurora , are exemplars...


From Biden’s giant Bible to Christian flags waved by rioters, ‘religion’ means different things to different people and different eras

Jan. 21, 2021

A similar complexity appears in the history of early Christianity in how religion functioned, both in terms of rituals and in the use of the Latin term it derives from.

Dusky Grouse

Male dusky grouse are masters of camouflage but dandies on the dance floor

Jan. 6, 2021

Dusky grouse are effectively camouflaged and cryptic much of the year, but when it comes to the spring mating season, the males are bright and bold.

Exit, stage religious right. AP Photo/Lynne Sladky

In Mike Pence, US evangelicals had their ‘24-karat-gold’ man in the White House. Loyalty may tarnish that legacy

Jan. 6, 2021

Pence’s religious and political biography mirrors key political and religious shifts over the past 40 years.

Photo of boulder flatirons

So you think the pandemic will doom higher education?

Dec. 16, 2020

Think again.

John B. Weller, Author provided

Marine protection falls short of the 2020 target to safeguard 10% of the world’s oceans. A UN treaty and lessons from Antarctica could help

Dec. 14, 2020

Stronger Antarctic leadership is urgently needed to safeguard the Southern Ocean — and beyond. Two-thirds of the world’s oceans fall outside national jurisdictions – they belong to no one and everyone. These international waters, known as the high seas, harbour a plethora of natural resources and millions of unique marine...

Black Dragon Canyon is deep, narrow and sinuous, and desert varnish darkens the walls.

Controversial interpretations of the Black Dragon Pictograph

Dec. 8, 2020

Evolutionary biologists have found fossil evidence of 110 species of pterosaurs, with wing spans ranging from 10 inches to over 33 feet I scout potential sites for camping and photography trips by looking at maps and reading about landscapes and habitats, so I was optimistic that I had found an...

Shadow of earths belt in venus

Celestial phenomena: STEVE, Belt of Venus, Earth's shadow and the Milky Way

Nov. 30, 2020

With dry air and clear skies, people in the west have much greater opportunity to enjoy the light shows at dawn and dusk and celestial phenomena. Following are comments and details, each starting with a question about mechanisms.

Flames approach houses during the Blue Ridge Fire on Oct. 27, 2020 in Chino Hills, California.

We’ll see more fire seasons like 2020 - here’s a strategy for managing our nation’s flammable landscapes

Nov. 12, 2020

New sources ranging from satellites to government records to social media are providing a wealth of opportunities to learn more about wildfire behavior and how it threatens people and affects ecosystems.