The aquahacking challenge is a free program challenging students, researchers and professionals to safeguard the Great Lakes and Lake St. Lawrence.

Denny Hamlin earned the top seed in the inaugural version of NASCAR’s In-season Challenge, a five-race, bracket-style tournament set to kick off next week in Atlanta.

Replay reviews were unavailable to the Toronto Blue Jays and Detroit Tigers throughout much of their game at Comerica Park because of a technical issue that affected both team broadcasts.

We asked, you delivered. Here are the winners of the 2022 A4 Fall Photo Challenge.

The annual challenge by TheRide's getDowntown Program encourages commuters to get to work without driving during the cold winter months.

We asked, you delivered. Here are the winners of the 2022 A4 Fall Photo Challenge.

Even if you don’t play Wordle, chances are that you’ve heard of it. The trending word game has become a fan favorite, helping people -- even us in the newsroom -- to start their mornings with a little brain teaser.

Looking to kick off the new year right, with a healthy start? Join the Y 170 challenge!

Push yourself to enjoy the great outdoors this season with U-M's annual challenge.

Devin Scillian, Kimberly Gill, Jason Colthorp and Karen Drew were given $40 and challenged to buy meaningful gifts for each while still saving a little money for themselves.

This year, participants reported being affected by the Equity Challenge in several ways.

Residents of Ann Arbor and Ypsilanti can receive free COVID tests to take at home.

SafeHouse Center is accepting donations ahead of a cycling challenge on Saturday.

It’s hard to imagine a life without screens these days...but how about 24 hours? One company is willing to pay you $2,400 if you’re able to swing it. Reviews.org -- a company that reviews products and services that are designed to make your home smarter -- is holding a “Digital Detox Challenge,” where lucky contestants will get paid $2,400 to go without technology for 24 hours. You can apply for the 2021 Digital Detox Challenge on Review.org right here. You can learn more about the 2021 Digital Detox Challenge on Review.org.

ANN ARBOR – Throughout the month of January, visits to local restaurants for outdoor dining or curbside pick up can earn you a chance to win prizes. How it works:Download the getDowntown Commute Central app from the App Store or Google Play, or sign up via getDowntown’s website. Win badges and prizes based on participationUsers who earn 40 points a week will automatically be entered to win a $50 gift card. The challenge is sponsored by ShowYourLoveA2, an initiative by the downtown area associations to bolster support for local restaurants and shops. Shopping at local businesses can also earn you points and prizes.

ANN ARBOR – University of Michigan’s Matthaei-Nichols botanical gardens and arboretum has launched a fun new campaign to encourage families to enjoy the outdoors this month. Its #everydayoutdoors campaign challenges families to complete a series of outdoor activities like rolling down hills, finding animal tracks and foraging for acorns. The only thing you need to do is get outside!”Every Day Outdoors challenge activities for December 2020. (University of Michigan Matthaei-Nichols)Share your photos with @matthaeinichols on Instagram with the hashtag #everydayoutdoors. Enjoy the winter fun!

Here’s what’s coming up on Local 4 News at 4:U.S. Supreme Court takes up latest challenge to the Affordable Care ActThe U.S. Supreme Court took up the latest challenge to the Affordable Care Act on Tuesday. THe Supreme Court heard oral arguments on whether to invalidate the entire Affordable Care Act, known as Obamacare.

ROMEO, Mich. – It can be a challenge to celebrate Halloween in the middle of the COVID-19 pandemic, but that doesn’t mean it can’t be fun. RELATED: These trick-or-treating alternatives may be your new traditionIf you look at Tilson Street in Romeo, you’ll know that Halloween isn’t canceled. People from all over southeast Michigan put on their masks to walk down Tilson Street -- which is known for its elaborate Halloween decorations. Most of the people Local 4 spoke with said it was their first time experiencing Tilson Street’s spooky decorations. MORE: Full Halloween coverage