Photo of sunshine coming through cottonwood trees

Summer Solstice

June 20, 2021

Soak up them rays! It’s the longest day of the year for those of us north of the equator. Enjoy 15 hours of sunshine! Solstice occurs at 9:32p.m. MDT. More info on Sky & Telescope's Sky at a Glance .

Milky Way in the Sky with the Great Sand Dunes in Colorado in view

Colorado Dark Skies

June 9, 2021

Looking for dark skies this summer? Grab a red flashlight + telescope or binos and check out these International Dark Sky Parks in Colorado: Black Canyon of the Gunnison National Park Dinosaur National Monument Florissant Fossil Beds National Monument Great Sand Dunes National Park and Preserve Hovenweep National Monument Jackson...

Chart from Sky & Telescope article of the times and totality for the Moon

Total Lunar Eclipse

May 24, 2021

How much do you love the Moon? Willing to get up early Wednesday? What about driving east of Boulder? If you’re willing, your commitment will be richly rewarded with seeing the first total lunar eclipse in 2+ years. The full Moon will set behind our glorious Rocky Mountains during totality...

Image of Tonight's sky with the ecliptic from Stellarium

Colorado Sunsets

May 18, 2021

Enjoy watching our beautiful Colorado sunsets? Stay for the twilight encore as Venus joins Mercury in the west-northwest. Mars can be spotted a bit higher up + the waxing Moon makes an appearance along with Regulus in the constellation of Leo.

Lights out colorado logo with birds and stars

Lights Out Colorado

May 4, 2021

The International Dark-sky Association & Denver Audubon have teamed up for Lights Out Colorado . 80% of birds in North America migrate at night. Coloradans can save millions of birds as they migrate over our state, keep our skies darker, & save energy w/ 2 simple steps: Shield outdoor lights...

Photo of the Full Moon with some clouds Photo Credit: NASA/Joel Kowsky  

Full Pink Moon

April 27, 2021

Did you catch the Full Pink Moon last night? If not, don’t worry, it’ll still appear big and bright tonight too. Grab your binos or small scope and check out Sky & Telescope’s 7 Easy Things to See on the ‘SuperMoon.’ If it rains, you can always catch the next...

NASA SpaceX-Crew-2 four Astronauts

NASA SpaceX Crew-2 Mission scheduled to launch

April 20, 2021

NASA’s SpaceX Crew-2 is ready to launch to the ISS on April 22! The Crew-2 flight includes mission specialist Thomas Pesquet from ESA, pilot Megan McArthur and commander Shane Kimbrough both from NASA, and mission specialist Akihiko Hoshide from JAXA (left to right). NASA TV LIVE launch coverage . Photo...

Photo of Yuri Gagarin signing autographs at a youth conference with Valentina Tereshkova, the first woman in space

60th Anniversary of Spaceflight

April 12, 2021

Sixty years ago today, the world was in awe as Russian Cosmonaut, Yuri Gagarin became the first human to break the bounds of the Earth and travel into outer space on board Vostok 1. Fascinated with flight at an early age, he became a pilot and then joined the Soviet...

Graphic from SkySafari app of the western sky from Boulder and Mars within Taurus

Mars & the Bull

April 6, 2021

Can you spot Mars in the west during twilight? The Red Planet is still within the horns of the bull and both are sinking lower in the spring sky. Photo credit: SkySafari

Moon in Beehive Cluster graphics photo image from Stellarium

The Beehive and the Moon

March 23, 2021

The Moon is all a buzz in the Beehive Cluster tonight. Get out your binos and join the swarm! At only 600 LYs away, M44 is one of the closest star clusters to us and is full of 1,000+ young Suns spanning the area of 3 full Moons (1.5 degrees)...