Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Measurements of the distance to the Coma Cluster of galaxies find that it is millions of light years closer than the standard ...

Astronomers have completed a stunning massive photomosaic of our closest celestial neighbor, the Andromeda galaxy, comprised ...

The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, Jupiter and Saturn should be visible to the naked eye. You'll need a ...

We are working our way through some of the astronomical objects in the constellation Orion. Of all of them, my proudest ...

Now that even Apple has been burned, will Silicon Valley finally learn its lesson about AI? Will the rest of us?

With frigid temperatures and dangerously cold wind chills, you may want to wait a few more days to check them out. Don't ...

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through ...

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...