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science and nature

April 22, 2019
Credit: Stellarium
Astro Bob Blog: Happy Earth Night! Watch the moon and Jupiter Tuesday morning
16 hours 41 min ago
Red sprites brightened the night sky west of Oklahoma City on Wednesday, April 17.   Photo for The Washington Post courtesy of Paul Smith
Elusive red sprites, like glowing jellyfish in the night sky, photographed in Oklahoma
17 hours 54 min ago
April 21, 2019
Zulema Hernandez, center, and her daughter Juventina Herrera participate in the Rio Grande Valley Climate March at the National Butterfly Center in Mission, Texas, on March 3, 2019.  Washington Post photo by Carolyn Van Houten
Butterflies were symbols of rebirth - then they started disappearing
April 21, 2019 - 11:03am
Credit: Stellarium
Astro Bob Blog: Lyrid meteor shower peaks Sunday night
April 21, 2019 - 10:44am
April 20, 2019
Minnesota Pollution Control Agency Commissioner Laura Bishop talks to the Duluth News Tribune at the EPA lab in Duluth. Clint Austin / caustin@duluthnews.com
Minnesota Pollution Control Agency Commissioner Laura Bishop discusses her agency's goals and outlook
April 20, 2019 - 6:00pm
Credit: NASA, ESA and STScI
Astro Bob: Hubble Space Telescope feeling a little crabby on its 29th birthday
April 20, 2019 - 3:45pm
Shown is the Kingsbury Bay superfund site on the St. Louis River seen from the air May 23, 2018. News Tribune File
Budget proposal casts doubt on St. Louis River cleanup funding
April 20, 2019 - 3:29pm
April 18, 2019
Bob King for the News Tribune
Astro Bob Blog: Full broken snowshoe moon shines Thursday and Friday
April 18, 2019 - 1:38pm
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
April 18, 2019 - 8:38am
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
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