Astronomy After Hours at the MOS Observatory

Come to the Museum of Science rooftop for free stargazing and astronomy related

Tucked away on the roof of the Museum's parking garage, the Gilliland Observatory is a wonderful resource for our starry-eyed public. On clear nights, you can view stars, planets, the Moon, and other astronomical phenomena. On cloudy nights, tour the inside of the Observatory, and participate in astronomy-related activities run by our knowledgeable staff. Astronomy After Hours is the perfect place to kick off your weekend with your family.

Weather permitting, the observatory is open every Friday April - October:

  • April: 8:00 -10:00 pm
  • May, June, July, and August: 8:30 -10:30 pm
  • September: 8:00 – 10:00 pm
  • October: 7:30 – 9:30 pm

Please call the Gilliland Observatory hotline, 617-589-0267 and select option number 2, which is updated at 5:30 p.m. on Friday nights with information about that night's observing session. You can also check the museum's Twitter feed The hotline also lists general information about the observatory, what objects can be observed in the current night sky, and how to contact an observatory staff person.

Fans of the Museum of Science on Facebook and Twitter can also get occasional updates on the observatory and other starry events.

Admittance is free thanks to the generosity of the Lowell Institute (parking charges still apply).

When: 
Friday Evenings April through October (Weather Permitting)
Prices: 
FREE (Must pay for parking though)
Phone: 
617.589.0267
Landmark Summer Program at Landmark School in Beverly Massachusetts

Babson Farm Quarry Self-guided Walking Tour at Halibut Point

Kids will enjoy this tour of the Halibut Point State Park and Quarry with a focus on its stone-cutting history!
Take a self guided tour at one of Massachusetts most beautiful locations!
7:00 am to 6:00 pm

Boston Bruins Annual Pajama Drive

Drop off new pajama donations at libraries across the North Shore of Massachusetts as part of the Boston Bruins PJ Drive.
The Boston Bruins will be hosting their 19th annual PJ Drive with the goal of collecting 10,000 pairs of pajamas from February 1st - March 15th, 2026. The drive will benefit Cradles to Crayons and Wonderfund MA, two non-profits that ensure positive living conditions for children. Local businesses...
7:00 am to 9:00 pm

Stargazing at Mendel Observatory

Mendel Observatory, with the support of volunteers from the North Shore Amateur Astronomy Club, hosts public stargazing every Wednesday night
The Observatory, with the support of volunteers from the North Shore Amateur Astronomy Club, hosts public stargazing every Wednesday night (weather permitting) starting at dusk or 7:30 pm, whichever is later.  When special astronomical events of interest occur (total lunar eclipses, etc.) the Obs
7:00 pm

Thursday, March 12

Boston Bruins Annual Pajama Drive

Drop off new pajama donations at libraries across the North Shore of Massachusetts as part of the Boston Bruins PJ Drive.
The Boston Bruins will be hosting their 19th annual PJ Drive with the goal of collecting 10,000 pairs of pajamas from February 1st - March 15th, 2026. The drive will benefit Cradles to Crayons and Wonderfund MA, two non-profits that ensure positive living conditions for children. Local businesses...
7:00 am to 9:00 pm

Babson Farm Quarry Self-guided Walking Tour at Halibut Point

Kids will enjoy this tour of the Halibut Point State Park and Quarry with a focus on its stone-cutting history!
Take a self guided tour at one of Massachusetts most beautiful locations!
7:00 am to 6:00 pm

LEGO Club at Danvers Library

LEGO club at Danvers Library Massachusetts
Peabody Institute Library - Danvers invites kids to an afternoon of building and fun! Activities will include free build, themes and instructional design. All structures will remain on display in the Children’s Room till the following weeks's session
3:30 pm to 4:30 pm

Friday, March 13

Boston Bruins Annual Pajama Drive

Drop off new pajama donations at libraries across the North Shore of Massachusetts as part of the Boston Bruins PJ Drive.
The Boston Bruins will be hosting their 19th annual PJ Drive with the goal of collecting 10,000 pairs of pajamas from February 1st - March 15th, 2026. The drive will benefit Cradles to Crayons and Wonderfund MA, two non-profits that ensure positive living conditions for children. Local businesses...
7:00 am to 9:00 pm

Babson Farm Quarry Self-guided Walking Tour at Halibut Point

Kids will enjoy this tour of the Halibut Point State Park and Quarry with a focus on its stone-cutting history!
Take a self guided tour at one of Massachusetts most beautiful locations!
7:00 am to 6:00 pm

Saturday, March 14

Boston Bruins Annual Pajama Drive

Drop off new pajama donations at libraries across the North Shore of Massachusetts as part of the Boston Bruins PJ Drive.
The Boston Bruins will be hosting their 19th annual PJ Drive with the goal of collecting 10,000 pairs of pajamas from February 1st - March 15th, 2026. The drive will benefit Cradles to Crayons and Wonderfund MA, two non-profits that ensure positive living conditions for children. Local businesses...
7:00 am to 9:00 pm

Babson Farm Quarry Self-guided Walking Tour at Halibut Point

Kids will enjoy this tour of the Halibut Point State Park and Quarry with a focus on its stone-cutting history!
Take a self guided tour at one of Massachusetts most beautiful locations!
7:00 am to 6:00 pm

Maple Sugaring at Breakheart Reservation

Come to Breakheart Reservation Saugus Massachusetts to learn about maple sugaring - the process of making syrup..
Come to Breakheart Reservation for this FUN annual event! Experience the process of maple sugarin’ from tapping a tree to sampling real maple syrup.
10:00 am to 2:00 pm

Discover Saturdays at Cape Ann Museum

Discover Saturdays for Families at Cape Ann Museum in Gloucester Massachusetts
Enjoy a FREE guided activity (ages 4+) in the gallery. Learn about Cape Ann’s Granite Industry, try a fun art making activity, and join in gallery tour designed for kids and their caregivers, led by a CAM Educator. Afterwards grab a scavenger hunt to explore the property and enjoy the lawn.
10:00 am to 12:00 pm

CraneOutdoors: The Castle Hill Hike

CraneOutdoors: The Castle Hill Hike at the Crane Estate in Ipswich Massachusetts
Come explore the lesser-visited corners of Castle Hill and its surroundings with us this season. This hike is a CraneOutdoors guide favorite because it’s got a little bit of all the things that make the Crane Estate such a special place…
10:00 am to 12:00 pm