Science & Technology

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Mud and debris, including a mangled piece of construction equipment, remain after a flash flood in Grand Canyon National Park on Aug. 31, 2026. Katherine Hensel/National Park Service via AP

Hiking canyons can quickly turn deadly when storms hit – what you should know before going in

Hiking a picturesque valley or climbing a craggy gorge are some of the most exhilarating experiences in nature. As a geologist, I have hiked and climbed some of the most intense terrains in the world, including in the Andes, Middle Eastern deserts, the Balkans and the Appalachians.

I am particularly drawn to canyons that provide ...Read more

Josh Davis/Baltimore Sun/TNS

Assateague added horse-safety measures. National Park Service says their effect remains unclear

BALTIMORE — The deaths of two Assateague horses by vehicle strikes 12 days apart in August may have seemed sudden. But the danger posed by traffic to the island’s wild horses has been building for decades.

National Park Service records show that vehicles have killed 36 horses on Assateague since 1982. This summer, Dune Dancer Jolt and Susi ...Read more

Sierra Space lines up Dream Chaser customers, but launch date still TBD

Sierra Space’s Dream Chaser, the spacecraft that looks like a miniature space shuttle, doesn’t have a target launch date yet but it does have “undisclosed national security and commercial customers,” according to a company press release.

“As the space domain has become increasingly contested, Dream Chaser has evolved into exactly what...Read more

An Adélie penguin swims through the ocean. Casey Youngflesh, CC BY

Satellite images show how penguins’ diets are changing in response to Antarctic climate change

The color of penguin poop, as seen from space, is offering a new window into how the ecology and the environment of Antarctica are changing over time.

Adélie penguins are one of the most abundant predators in the Southern Ocean. They rely on food sources in the ocean, but nest on rocky outcrops all around the Antarctic continent.

...Read more

Scott Olson/Getty Images North America/TNS

Trump administration lifts stop-work order on invasive carp barrier

WASHINGTON — Federal officials lifted a stop-work order Wednesday, Sept. 2, that had halted construction on a state-federal project in Joliet, Illinois, meant to block invasive carp from reaching the Great Lakes.

Gov. Gretchen Whitmer’s office said Wednesday it had been notified of the change by the White House and the U.S. Army Corps of ...Read more

TNS

More rabid bats reported in Idaho this year than 2024, 2025 combined

BOISE, Idaho — Idaho has seen an increase in the number of bats that have tested positive for rabies this year, as well as the number of possible contacts between bats and humans or pets, prompting a warning from the Idaho departments of Health and Welfare and Fish and Game.

In a joint news release Wednesday, the departments said 24 bats ...Read more

Blue Origin breaks ground on new Cape Canaveral facility ordered up by Space Force

While Blue Origin plows ahead with its reconstruction of its New Glenn launch pad at Cape Canaveral, damaged in a massive explosion earlier this year, it is also moving forward with new construction of an adjacent facility that will help the Space Force.

Jeff Bezos’ company was awarded a contract last year by Space Systems Command a $78.25 ...Read more

Genaro Molina/Los Angeles Times/TNS

Tribes could co-manage ancestral forests under bill heading to Newsom's desk

California lawmakers have voted to shift a state forest system away from commercial logging and pave the way for tribal co-management, delivering a win to a movement rooted in the historic timber wars.

Managed by the California Department of Forestry and Fire Protection, or Cal Fire, the state’s 14 demonstration forests are required to ...Read more

Yosemite National Park is home to three groves of massive ancient sequoia trees. Jim West/UCG/Universal Images Group via Getty Images

Yosemite, again in corporate crosshairs, embodies the long war over US national park privatization

Reports that the Trump administration is working to transfer part of Yosemite National Park to a private land developer have heightened concerns among park advocates and the public about privatization of public land.

The proposed deal, which a government spokesperson said has not been finalized, would involve a land swap: The ...Read more

Sean Rayford/Getty Images North America/TNS

Nvidia's Huang urges G20 to speed AI adoption, spur growth

Nvidia Corp. Chief Executive Officer Jensen Huang called on Group of 20 nations to accelerate their adoption of artificial intelligence as a way to enhance growth, urging the world’s largest economies to expand data centers and other infrastructure to support the emerging technology.

“Every single country needs to build infrastructure so ...Read more

Allen J. Schaben/Los Angeles Times/TNS

Killing of Catalina Island deer will go forward despite last-minute appeals

LOS ANGELES — The killing of mule deer on Catalina Island will go forward after a judge tentatively denied a request from hunting groups and concerned citizens to pause the controversial plan pending the outcome of a legal challenge.

The Catalina Island Conservancy was authorized to start killing deer Tuesday under a permit issued by the ...Read more

Rossman, James/Rossman, James/TNS

Tech review: Acer Aspire 16 AI

Buying a laptop is anything but easy sometimes — it’s a classic example of too many choices.

Do you want a smaller, lighter machine? Or one that has a larger screen and better battery life? How about a laptop fast enough for occasional (or frequent) gaming?

Do you want a touch screen? How about an OLED display? Need 4K graphics?

How does ...Read more

Handout/U.S. Customs and Border Protection/TNS

Feds find foreign moth for first time in US at Detroit Metro Airport

DETROIT — A foreign moth that could have stirred up trouble was intercepted for the first time in the United States at Detroit Metro Airport, officials said.

U.S. Customs and Border Protection officers captured the potentially destructive winged bug, a straw crest moth — Mesophleps silacella — at the airport in January, representatives ...Read more

San Manuel, Calif., Assistant Fire Chief Ralph Tovar holds a young goat whose herd just spent a day eating brush and grass to reduce wildfire risk. Robyn Beck/AFP/Getty Images

Pyrograzing turns ordinary livestock into fire prevention heroes, so why isn’t it used on public lands more often?

In grasslands across the American West, four-legged fire prevention crews are busy at work, helping keep wildfire risk under control. These cattle, goats and sheep stomp down tall grasses as they munch their way through plants that could otherwise burn, lowering the risk of catastrophic fires in the process.

When livestock are ...Read more

Jim Rossman/Jim Rossman/TNS

Jim Rossman: Picking the right USB hub

Last week a friend asked me for a recommendation for adding more USB ports to her laptop.

USB ports are added to a computer by adding a USB hub. Think of a USB hub like a plug strip that you’d use at home if you needed to plug in more devices at an electrical outlet.

There are a few factors involved in picking out the right hub.

Begin by ...Read more

Handout/BlueParrott/TNS

Gadgets: Solar-powered security camera

Eufy’s new solar-powered Wi-Fi Wall Light Cam S4 is as versatile a security camera as there is. It features almost everything you need in a do-it-yourself unit, producing a 4K crystal-clear resolution. Its flexible design enable it to be mounted on walls, rooftops, fences, etc.

Highlighting the most important features isn’t easy, since it...Read more

Fireshine Games/TNS

Review: ‘Denshattack!’ goes off the rails and that’s a great thing

Skating games offer a canvas of unbridled creativity. It’s a genre where players can string together moves and score high points by showing off their talents on a virtual skateboard, kickflipping around fictional warehouses or parks.

In “Denshattack!,” developer Undercoders takes concepts from games such as “Tony Hawk Pro Skater” ...Read more

Alejandro Tamayo/The San Diego Union-Tribune/TNS

San Diego County supervisors greenlight plan to build own Tijuana River treatment plant

SAN DIEGO — The San Diego County Board of Supervisors voted Tuesday to launch a new phase of the county’s fight against Tijuana River pollution, approving funding to plan a new treatment system to capture sewage from the river itself and to advance a permanent fix at a toxic air pollution hot spot in South County.

Supervisors voted 4-1 to ...Read more

Hyoung Chang/The Denver Post/TNS

Coloradans will decide whether to dedicate sales taxes from outdoor gear to conservation efforts

DENVER — Voters will decide in November whether to dedicate state sales taxes collected on outdoor gear to conservation and wildfire prevention grant programs.

If approved, Proposition 137 would also exempt that sales tax revenue from falling under the state’s spending cap set by the Taxpayer’s Bill of Rights, the mechanism that ...Read more

Construction choices are often the difference between a house surviving a hurricane or being torn apart. Mark Wallheiser/Getty Images

The greenest building is the one still standing after a disaster

When Hurricane Michael tore through the Florida Panhandle in 2018, a beach house called the Sand Palace was left standing, while more than half the buildings around it were destroyed.

Its owners had built it to withstand roughly double the wind speed that Florida’s code required, with reinforced concrete walls on 40-foot (12-meter) ...Read more