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October 6, 2017
Painted Lady butterflies collect nectar from dahlia flowers Sept. 4 in West Fargo. David Samson / The Forum
Horde of migrating Painted Lady butterflies show up on weather radar
October 6, 2017 - 1:16pm
September 30, 2017
Carolyn Lange / Tribune

Alise Sjostrom speaks about her family business, Redhead Creamery of rural Brooten. She was one of several presenters Tuesday at the 2017 Ag & Animal Science Conference this week in Willmar. This year's event focused on telling stories of local ag producers and the connection the ag industry must make with consumers.
Everybody has a story: Annual Willmar ag conference features storytellers
September 30, 2017 - 8:02am
September 28, 2017
Vika, a sharp-toothed rat that grows up to 18 inches long and lives in a tree. It's just a painting, but Vika is real. Peggy Macnamara/Field Museum.
How an almost-mythical species of rat was discovered on a remote island
September 28, 2017 - 1:18pm
September 25, 2017
Environmental conditions play a role in the colors that leaves change to during autumn. Even as the leaves are dying, they are helping the trees prepare for winter. Washington Post photo by John McDonnell
Why do leaves change colors?
September 25, 2017 - 9:21am
September 21, 2017
NOAA says warmer start to winter, but La Nina could bring cold, snow later
September 21, 2017 - 6:37pm
September 19, 2017
An aerial view of the edge of the Ross Ice Shelf, in Antarctica, in 2017. Scientists are racing to understand what is happening to the ice shelf as the planet warms around it. They are also trying to measure the role of human-caused climate change in weakening other parts of the West Antarctic ice sheet, and to fathom how damaging warming seas and changing wind patterns might ultimately prove to be. (Jonathan Corum/The New York Times)
New climate calculations could buy the Earth some time - if they're right
September 19, 2017 - 9:05am
September 15, 2017
A handout image shot with the Cassini spacecraft’s camera of Enceladus, one of Saturn’s moons, across the unilluminated side of Saturn's rings, taken on Oct. 27, 2007. After 13 years of researching and imaging the ringed planet and its many moons, NASA will end the mission in September 2017. The spacecraft will fly into the atmosphere of Saturn and burn up. (NASA/JPL/Space Science Institute via The New York Times)
The Cassini spacecraft crashed into Saturn, ending a successful 20-year mission
September 15, 2017 - 11:14am
August 24, 2017
Wikicommons photo
Narwhals helping NASA understand melting ice
August 24, 2017 - 9:47am
August 20, 2017
Linnea Anderson wears a souvenir metorite necklace that she bought on a trip to Australia in 1998 to watch a total eclipse.photo by Eric Hylden/Grand Forks Heraldplay button
Woman traverses 4 continents, 33 countries in lifetime to watch 7 total solar ecplises
August 20, 2017 - 8:08am
August 13, 2017
A partial lunar eclipse is pictured beside a building in Berlin, Germany, August 7, 2017. REUTERS/Hannibal Hanschke
Vocabulary of the eclipse
August 13, 2017 - 10:50am
August 9, 2017
According to a recent study, U.S. cats' and dogs' consumption of meat and other animal products is a big climate cost. (Kevin Tanaka/Chicago Tribune/TNS)
Scientists tally the environmental impact of feeding meat to our cats and dogs. It's huge
August 9, 2017 - 11:30am
July 31, 2017
Stock Image / Flickr
Earth likely to warm more than two degrees by 2100, experts say
July 31, 2017 - 4:10pm
July 26, 2017
Letter: Thinking outside the science box
July 26, 2017 - 11:07am
July 24, 2017
An ash tree on Saturday, July 22, in Duluth. (Mike Krebs / Forum News Service)
1 billion black ash trees in peril: Scientists invade Duluth to share emerald ash borer research
July 24, 2017 - 6:00am
July 17, 2017
Researchers on the Blue Heron, the research vessel of UMD's Large Lakes Observatory, get ready to deploy an underwater microphone to record sounds 75 feet under the surface of Lake Superior. They picked up some interesting results. (Photo courtesy UMD)
Noisy fish? Lake Superior underwater noises include ships, wind and ... eelpout
July 17, 2017 - 6:00am