Starry day : Find out why Pluto isn’t a planet anymore and lots more about space at dozens of lectures and workshops.
Astronomy Days at the Museum of Natural Sciences returns. Hear from a NASA astronaut about his experiences, learn about the outer planets or discover the workings of black holes. Free; 9 a.m. to 5 p.m. Saturday and noon to 5 p.m. Sunday; 101 W. Jones St., Raleigh; astronomydays.org.
Star-crossed lovers: Burning Coal Theatre offers its take on Shakespeare’s “Romeo and Juliet.”
This classic tragedy tells the story of two young lovers from rival families. The play is the first in the “Wherefore: Shakespeare in Raleigh” series. Arts organizations across Raleigh will present work written or inspired by the bard through June. $25 adults /$20 seniors /$15 students /$10 on Thursdays; 7:30 p.m. Thursday-Saturday and 2 p.m. Sunday; 224 Polk St., Raleigh; burningcoal.org or 919-834-4001.
No dam good?: Catch a screening of “DamNation” at Umstead State Park.
This documentary explores the damming of the nation’s waterways and what happens when the dams come down. After the film, join in a discussion about dams’ effects on watersheds, migration patterns and recreation. “DamNation” took home an audience choice award at the SXSW Film Festival in 2014. Free; 6 p.m. Thursday and 12:30 p.m. Saturday; 8801 Glenwood Ave.; 919-571-4170 for required reservations.
Go, dog, go!: A doggie relay race tournament comes to the State Fairgrounds.
Sometimes the world is a magical place to be. Flyball features teams of four dogs that race to be the first to finish a hurdle course. On the way, they must step on a spring loaded box and catch the tennis ball that shoots out. Free; 9 a.m. to 4 p.m. Saturday and 9 a.m. to 2 p.m. Sunday; Holshouser Building, 1025 Blue Ridge Blvd.; doggonefast.com.
Vroom vroom: Custom motorcycle shop Moto Motivo holds its first open house.
Get a behind-the-scenes look at the workshop where custom-made motorcycles rule. Check out the in-house collection of more than 20 bikes, from just-started projects to finished motorcycles by Johann Keyser. Free; 10 a.m. to 3 p.m. Saturday; 8621 Barefoot Industrial Road, Raleigh; motomotivo.com.