Venus is HUGE right now but oh-so-skinny as it approaches inferior conjunction on August 15. Like crescents? You'll never see a…
Every year in mid-August, Earth plows headlong into the debris left behind by Comet 109P/Swift-Tuttle. Slamming into our atmosphere at 130,000…
A big smile. That was my reaction to seeing the names of Uhura, Spock, Kirk and Sulu on the latest…
Children often ask simple questions that make you wonder if you really understand your subject. An young acquaintance of mine…
With just 12 days before Comet 67P/Churyumov-Gerasimenko reaches perihelion, we get a look at recent images and results released by the…
Of course they've always been real worlds. They just never looked that way. We've only known of their existence since…
Call it the comet that squeaked by most northern skywatchers. Comet C/2014 Q1 PanSTARRS barely made an appearance at dawn in…
Watch Pluto grow in this series of photos taken during New Horizons' approach Whew! We're out of the woods. On schedule…
We did it! At 7:49 a.m. EDT today New Horizons made history when it zoomed within 7,800 miles of Pluto, the most…
Countdown to discovery! Not since Voyager 2's flyby of Neptune in 1989 have we flung a probe into the frozen…