Science

Wetter weather causing sewage headaches for Minn. cities
According to the Minnesota Pollution Control Agency, since 2010, wet weather has had an effect on wastewater treatment operations an average of 143 times a year, resulting in raw or partially treated sewage overflowing or being discharged into the environment.
A federal judge on Tuesday stopped the release of blueprints to make untraceable and undetectable 3D-printed plastic guns as President Donald Trump questioned whether his administration should have agreed to allow the plans to be posted online.
Aspen Ideas Festival: Strategies for happiness in life
Arthur Brooks is a classical musician and a behavioral economist. He ties together philosophy, art, music, social science and neuroscience to suggest ways you can find happiness and success in every stage of life.
Pentagon identifies remains of missing Tuskegee Airman
The pilot is one of 27 Tuskegee Airmen who went missing during World War II. Lawrence Dickson's plane crashed in 1944, and his remains were found in Austria.
Underground lake found on Mars beneath a mile of ice
Scientists say they've found what appears to be a briny underground lake near the south pole on Mars a mile below the surface. It possible that some kind of microbial life once lived in the lake.
Study: Carbon-free electricity possible by 2050
A group of utilities, environmental groups and state regulators has released a plan for how states could meet all of their electricity needs without carbon emissions. The group says it can be achieved by midcentury.
Astronauts' snapshots from space light up the Twitterverse
Five astronauts aboard the International Space Station are active on Twitter, posting photos of their daily lives and their out-of-this-world views of Earth. Take a look.
St. Paul to Bird: Get scooters off the streets by midnight
The city of St. Paul has asked scooter rental company, Bird, once again to remove their scooters from city streets. But Mayor Melvin Carter said a temporary regulatory framework going to the city council next month could keep the scooters around.