Price history: This is the cheapest the Celestron Nexstar 6SE has been since March, when it was $919. Since then, it has been ...

I'm often asked to recommend a telescope, especially around the holidays, when gift-giving is on our minds. Today I'll share a few suggestions, but before we talk specifics, let's look at the ...

3C 273 is the most distant object easily visible with a modest telescope. To see it, use a telescope (at least 6-inch), observe from a dark location, and choose a moonless night. 3C 273 is best viewed ...

Owning one of the best telescopes allows you to gaze at the wonder of the night sky in unparalleled detail. Binoculars are great if you want something super small and portable, but if you want to look ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...