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science and nature

Bob King for the News Tribune
Astro Bob Blog: Full broken snowshoe moon shines Thursday and Friday
8 hours 54 min ago
Illustration of planetary nebula NGC 7027 and helium hydride molecules. In this planetary nebula, SOFIA detected helium hydride, a combination of helium (red) and hydrogen (blue), which was the first type of molecule to ever form in the early universe. (NASA/SOFIA/L. Proudfit/D.Rutter)
Astro Bob: Universe’s first molecule detected around a dying star
13 hours 54 min ago
April 17, 2019
Stock image. Photo courtesy of Pixabay
Scientists restore some brain cell functions in pigs four hours after death
April 17, 2019 - 2:37pm
April 16, 2019
A snow-covered squirrel has a crabapple snack in West Fargo on Tuesday, Feb. 26, 2019.
David Samson / The Forum
Electric utilities still at war with public enemy No. 1: Squirrels
April 16, 2019 - 1:30pm
Credit: NASA/Goddard/Dan Gallagher
Astro Bob Blog: Meteoroid strikes eject ghostly plumes of water from the moon
April 16, 2019 - 1:09pm
April 15, 2019
Scientists have captured the first direct image of a supermassive black hole. The cosmic portrait belongs to the black hole at the center of Messier 87, the largest galaxy we know of, about 54 million light-years away. MUST CREDIT: Event Horizon Telescope collaboration et al.
Algorithms gave us black hole picture, she's the scientist who helped create them
April 15, 2019 - 3:55pm
April 14, 2019
From left to right, Starr, Valor II and Valor I sit over eggs at their Illinois nest. Photo courtesy of Stewards of the Upper Mississippi River Refuge via National Audubon Society.
A rare trio of bald eagles - two dads, one mom - are raising eaglets together in one nest
April 14, 2019 - 1:24pm
Credit: NASA / SDO
Astro Bob Blog: A big sunspot is staring us in the face
April 14, 2019 - 1:03pm
April 10, 2019
Scientists have captured the first direct image of a supermassive black hole. The cosmic portrait belongs to the black hole at the center of Messier 87, the largest galaxy we know of, about 54 million light-years away. MUST CREDIT: Event Horizon Telescope collaboration et al.
See a black hole for the first time in images from the Event Horizon Telescope
April 10, 2019 - 11:50am
April 9, 2019
A melting iceberg in Hudson Bay in Manitoba, Canada, June 14, 2014.  (Michael Kirby Smith/Copyright 2019 The New York Times)
As White House questions climate change, US military is planning for it
April 9, 2019 - 9:34am
April 8, 2019
Astro Bob Blog: 7 nights with the moon — an easy guide
April 8, 2019 - 2:31pm
April 7, 2019
Frank Olsen / Vesteralen Photo
Astro Bob Blog: Stunning artificial aurora lights up Norwegian skies
April 7, 2019 - 1:17pm
April 5, 2019
Amity Creek in Lester Park. All natural surface trails in Duluth are currently closed to avoid damaging them. file / News Tribune
Amid spring thaw, Duluth closes natural-surface trails
April 5, 2019 - 12:50pm
April 3, 2019
The sun rises on Lake Superior in Grand Marais. file / News Tribune
Lake Superior March decline was average
April 3, 2019 - 6:30pm
Credit: Bob King for the News Tribune
Astro Bob Blog: Spring stars bring a fresh perspective to April
April 3, 2019 - 1:15pm
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