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Astronomy Jul 23, 2023

A mysterious interstellar radio signal has been blinking on and off every 22 minutes for more than 30 years

Last year, we made an intriguing discovery—a radio signal in space that switched on and off every 18 minutes.

Astronomy Jul 21, 2023

Carbon-based molecules seen just a billion years after the Big Bang

The more astronomers look at the early universe, the more discoveries they make. Some of those finds change what they thought they knew about the infancy of the cosmos. For example, the James Webb Space Telescope (JWST) recently ...

Earth Sciences Jul 20, 2023

Greenland melted some 416,000 years ago, shows high risk of causing sea level rise today

During the Cold War, a secret U.S. Army mission, at Camp Century in northwestern Greenland, drilled down through 4,560 feet of ice on the frozen island—and then kept drilling to pull out a twelve-foot-long tube of soil ...

Social Sciences Jul 19, 2023

How retailers can alter customer behavior to encourage more sustainable returns

Back-to-school sales are underway, and people across the country will be shopping online to fill up backpacks, lockers and closets—and they'll be taking advantage of free returns.

Evolution Jul 19, 2023

Understanding the ways animals are evolving in response to fire could help conservation efforts

In our modern era of larger, more destructive, and longer-lasting fires—called the Pyrocene—plants and animals are evolving quickly to survive.

Environment Jul 18, 2023

Natural hazard vulnerability shows disproportionate risk across the US: New data analysis

A fifth of neighborhood blocks in the continental United States most vulnerable to natural disaster account for a quarter of the lower 48 states' risk, according to a detailed assessment of vulnerability.

Economics & Business Jul 17, 2023

Is fast fashion slowing down? How global trade is being used as a 'force for good'

In the world of fast fashion, where trends are born as quickly as they are discarded, global trade regulations have struggled to keep pace with relentless cycles of production and consumption.

Optics & Photonics Jul 17, 2023

Protecting light communication with random objects

Researchers from the Complex Photonic Systems (COPS) group used two layers of random materials to encrypt and decrypt a message sent via light communication. With that, they hid the sender and receiver simultaneously, and ...

Environment Jul 6, 2023

Study finds potentially harmful chemicals lingered in homes affected by Marshall Fire

Potentially harmful chemicals generated by the Marshall Fire in late 2021 may have lingered inside some Boulder County homes for weeks after the disaster—hiding in small particles of dust that residents could have mixed ...

Economics & Business Jul 5, 2023

Study shines light on why companies use a variety of dark money strategies

As public concerns mount over lack of transparency in political giving, a new study from researchers at The University of Texas at Austin is the first to illuminate how and why corporations choose to legally conceal their ...

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