Observing the Pleiades through a pair of binoculars or a 6-inch telescope will reveal dozens of energetic young stars, ...

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 ...

Supernova 2020nlb in the galaxy M85 in Virgo was very faint upon discovery but has grown brighter each night. Now at magnitude 12.2 (July 5) and still climbing, it's bright enough to see in a 6-inch ...

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 ...

From 1985 to 2014, Jean Mueller supported astronomers from around the world who came to Palomar to use its iconic instruments ...