A community-driven waterway cleanup, a new children's museum exhibit, pet adoption opportunities, and science fiction-related expos are just some of the highlighted events taking place during the third weekend of February in San Antonio.

Older singles group meetup

Single Professionals Network, a friendship group for singles age 55 and older, meets for conversation, libations, games and food.

• Feb. 16, 5-7 p.m.
• Free (admission)
• Magic Time Machine, 902 N. Loop 410 E., San Antonio
• www.spn-sa.org

‘Amazing Art Expo’

The expo will be held at Holiday Inn San Antonio Riverwalk, featuring dozens of artists and vendors offering original artwork inspired by “Star Wars,” Marvel Comics, DC Comics, Harry Potter and other fantasy, science fiction, anime, horror and other genres and icons, on various art media.

• Feb. 16, 5-9 p.m., Feb. 17-18, noon-6 p.m.
• Free (admission)
• 217 N. St. Mary’s St., San Antonio
• http://tinyurl.com/yc6msusz

UFOFest

UFOFest, an event celebrating all things extraterrestrial, aliens, science fiction, horror and more, will be held at Rolling Oaks Mall. There will be vendors, displays and more.

• Feb. 17-18, 10 a.m.-6 p.m.
• Free (admission)
• 6909 N. Loop 1604 E., San Antonio
• www.facebook.com/events/2453873084792912

'Mission: Astronaut'

The DoSeum will host “Mission: Astronaut,” an interactive exhibit that provides an authentic astronaut training experience. Visitors of all ages will take on astronaut training challenges and learn about science, collaboration and innovation in the process.

• Feb. 17-April 28, exhibit open during museum hours
• Included with museum admission
• 2800 Broadway St., San Antonio
• www.thedoseum.org/mission-astronaut

Basura Bash

Brackenridge Park Conservancy will have its 29th annual Basura Bash, where volunteers are invited to help clean up the San Antonio River waterway in Brackenridge Park. Attendees are urged to wear long pants/jeans, closed toe shoes, and long sleeves, and bring sunscreen, bug repellent, drinking water and clean-up supplies.

• Feb. 17, 8:30-11 a.m.
• Free
• Brackenridge Park, Joske Pavilion, 531 Brackenridge Way, San Antonio
• www.basurabash.org/brackenridge-park-brackenridge-conservancy

Pet adoption event

God’s Dogs Rescue will have some adoptable cats and kittens available at Pet Supplies Plus. Additionally, Hidden Forest Elementary School community members will have a bake sale on site to benefit God’s Dogs Rescue.

• Feb. 17, 1-4 p.m.
• Free (admission)
• 22103 Bulverde Road, Ste. 116, San Antonio
• www.godsdogsrescue.org

Pet food giveaway

San Antonio Animal Care Services will have a free pet food distribution event to help local families struggling to feed their companion animals.

• Feb. 17, 7:30-10:30 a.m.
• Free
• San Antonio Animal Care Services, 4710 Texas Hwy. 151, San Antonio
• www.sa.gov/Directory/Departments/ACS

Buffalo Soldiers program

Briscoe Western Art Museum will have a presentation from Bexar County Buffalo Soldiers Association on the history of Buffalo Soldiers, who were members of the all-Black U.S. Army units that were formed by U.S. Congress in 1866 after the end of the Civil War.

• Feb. 18, 1:30-3:30 p.m.
• Included with museum admission
• 210 W. Market St., San Antonio
• www.briscoemuseum.org/adults

‘Yeehaw Breakfast’

Community members will be invited a to a free chuck wagon breakfast to celebrate the local rodeo season. There will be other activities, including trick-roping demonstrations and a story time session for young children.

• Feb. 19, 9 a.m.-noon
• Free
• Pearl, 303 Pearl Parkway, San Antonio
• www.atpearl.com