T his time last year, astrophiles were gearing up for a "once-in-a-lifetime" spectacle—only it never happened. The celestial ...

Sky This Week is brought to you in part by Celestron. Friday, April 4This evening, the roughly half-illuminated face of the ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Given that Venus is the third-brightest object in the sky after the sun and moon, an interesting observing exercise is to see how close to sunrise it becomes invisible against the brightening sky ...

Center this sun in your scope, then slowly swing 1 ... It stands above the Bull's brightest star, Aldebaran, an ...

This orb's steep plunge out of the evening sky and sudden vault into the dawn heavens were spectacular in March and now it begins April rising just over an hour before the Sun. But by month's end ...