Local
December 10, 2022
One of the sick bald eagles under care at the University of Minnesota Raptor Center.

Bald eagles believed to have been poisoned near Inver Grove Heights landfill

The University of Minnesota Raptor Center is caring for 10 sick eagles in critical condition.
East Metro
December 10, 2022
Rebecca Higgins, senior hydrogeologist with the Minnesota Pollution Control Agency, in the machine she affectionately calls “Big Blue.” The MPCA i

Minnesota tries new technologies to remove 'forever chemicals' from water

In efforts to address long-running PFAS contamination in the east metro, the Minnesota Pollution Control Agency is trying to suck the chemicals out of groundwater.
Local
December 9, 2022
Tamarack trees are among the toughest things to ever grow in Minnesota. But now the eastern larch beetle is threatening their survival.

After coexisting for millennia, beetles now eating away Minnesota's tamarack trees

Tamaracks were once the most common trees across Minnesota, but climate change has made them vulnerable to the eastern larch beetle's voracious appetite.
Business
December 8, 2022
A crew installs fiber optic cable in Carver County in this file photo. The state is funding 61 projects to install broadband across the state.

Minnesota awards nearly $100M in grants to extend broadband in state

The funding is expected to extend high-speed internet connections to more than 33,000 Minnesota homes and businesses in 48 counties.
Nation
December 7, 2022
More than half a million Americans undergo LASIK surgery each year, hoping to remedy poor eyesight.

Lasik patients should be warned of complications, FDA draft says

Draft recommendations by the FDA described dry eyes, visual disturbances and other side effects. Surgeons said the benefits were being ignored.
Local
December 4, 2022
Cale Nordmeyer, butterfly conservation specialist at the Minnesota Zoo, used a tweezers to move a Poweshiek skipperling butterfly after giving it a un

Mass extinctions are happening. Can they be stopped?

Three years after a U.N. report found that more than 1 million species are at risk of extinction, scientists conservationists and government representatives will gather this week in Montreal to decide on a plan to stop a stunning loss of plant and animal life around the globe.
Nation
December 3, 2022
FILE Ñ Activists wear the flag of Israel while holding signs at a rally against antisemitism in Washington on July 11, 2021. After former President D

Surging Twitter antisemitism unites fringe, encourages violence, officials say

Officials are predicting that Twitter will contribute to more violence in the months ahead, citing the proliferation of extreme content.
www.startribune.com
December 3, 2022

FBI director raises security concerns about TikTok

Christopher Wray said China has the ability to control the popular video-sharing app's recommendation algorithm.
Local
December 3, 2022
Gwe Gasco, sales and marketing director for 8th Fire Solar, showed the internal parts of a thermal panel.

Native-run solar firm aims to lower heating emissions and costs

Indigenous people in Minnesota feel the heating and energy bill pinch disproportionately.
Agriculture
December 3, 2022
An employee worked atop a vat of industrial ethanol at Al-Corn Clean Fuel ethanol plant in Claremont, Minn.

EPA proposes more biofuel blending in nation's gasoline

Minnesota's farm groups cheered the proposed rule that would set volumes for how much biofuel must be mixed with petroleum until 2025.
Local
December 1, 2022
Stars are reflected in Elbow Lake Wednesday, Sep. 28, 2022 on the Gunflint Trail in Grand Marais, Minn. To make this image, a ten-minute exposure was

These Minnesota cities are winning the fight against light pollution

Much of the progress with "dark sky" initiatives has come from rethinking public buildings.
Local
November 30, 2022
The federal government is declaring the northern long-eared bat, one of North America’s most widely distributed bats, an endangered species because

Minnesota's northern long-eared bats added to endangered species list

Two other hibernating bat species are likely not far behind.
Local
November 30, 2022
A wild turkey home invasion and other strange encounters: Readers tell their own stories

A wild turkey home invasion and other strange encounters: Readers tell their own stories

Readers responded to the Star Tribune's account of the recovery of the once threatened species.
Rochester
November 29, 2022
Saplings growing in a copse near the Zumbro River on Nov. 29, 2022, in Rochester.

Rochester plan to grow urban forest hits budget tangles

Proposed 40-year plan would add 84,000 trees to southern Minnesota city, but local council members say the price tag could nip the idea in the bud.
Business
November 29, 2022
A robot at Graco moves finished cylinders from a CNC machine after testing them and restocks the machine with unfinished stock.

State unveils program for businesses to use robots to address workforce shortages

The $12.5 million automation loan program is the fifth announced so far as part of $97 million small business initiative.
Local
November 28, 2022
Purrington Prairie outside Windom, Minn., is a 40- acre remnant of native prairie that has never been plowed. Shown here in bloom, the former cow past

Family's unplowed prairie to become one of state's newest refuges

Scientific and Natural Areas are a key tool in the state's fight to save species from extinction.
East Metro
November 26, 2022
Veterinarian Dr. Miranda Torkelson triaged a mallard duck with a fractured wing at the Wildlife Rehabilitation Center in Roseville.

Minn. wildlife hospital, one of world's busiest, plans expansion

The Wildlife Rehabilitation Center has purchased 22 acres in Grant, Minn., for a new $14 million campus.
November 26, 2022

Minnesota wildlife hospital, one of the world's busiest, plans expansion

Business
November 26, 2022
Compute North is losing control of its cryptocurrency center in Kearney, Neb.

Compute North — flying high just months ago — now part of crypto bankruptcy wave

The Eden Prairie-based company is trying to reorganize in Chapter 11, but it has already lost control of key crypto centers.
www.startribune.com
November 25, 2022

NASA's Orion enters far-flung orbit around moon

The capsule and its three test dummies entered lunar orbit Friday, more than a week after launching on the test flight. It will remain in this broad but stable orbit for nearly a week, before heading home. Read more about the mission here.

Science and Technology

News coverage and feature stories on the latest in the world of science and tech.