References
Latest References
Space calendar 2025: Rocket launches, skywatching events, missions & more!
By Space.com last updated
Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2024 with our space calendar.
Blue Moon: what is it and when is the next one?
By Daisy Dobrijevic last updated
Reference A Blue Moon is a rare occurrence that depends on the timings of full moons during the year. The moon is not blue during a Blue Moon.
Telescopes at Best Buy: Deals in stock 2025
By Ruth Gaukrodger last updated
We've combed through all the telescopes at Best Buy, looking for new deals and checking stock levels on popular models.
Telescopes at Walmart in 2025: Best deals
By Ruth Gaukrodger last updated
There are several discounts on Celestron and other telescopes at Walmart, get them before they're gone!
Telescopes on Amazon: The best deals 2025
By Ruth Gaukrodger last updated
Telescopes on Amazon are in abundance, so we've scoped out the best deals that are available.
Arecibo Observatory: The rise, legacy, and tragic collapse of a giant
By Vicky Stein last updated
Reference The legacy of Arecibo's nearly 60 years of astronomy research is strong, even after its loss in a dramatic 2020 collapse.
Adhara: A bright gem in Canis Major
By Daisy Dobrijevic last updated
Reference Adhara is a bright binary star in Canis Major that shows up best in ultraviolet light.
What should I look for in a monocular for stargazing?
By Jamie Carter published
Reference From magnification to letting in enough light at night, here's how to choose the perfect monocular for stargazing and astronomy.
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