A Tiny Moon Putters Away From Asteroid During Near-Earth Encounter

Asteroid 2004 BL86 charmed us with its tiny, dive-bombing moon during its close approach at the start of this week. Now JPL has released more radar data of the minuscule moon's trajectory guaranteed to charm us with its unwavering obedience to the laws governing orbital dynamics. » 2/02/15 12:05am 2/02/15 12:05am

How It Would Look If Other Types Of Stars Were Close As The Sun

What would it look like if other stars were as close as the sun? For starters, we may have more than one, and it may be either much bigger or smaller than our current orbital star, as shown in these videos, which explore a hypothetical universe where our sun has been replaced with other stars and our moon with planets. » 1/29/15 9:20am 1/29/15 9:20am

The Real Story Of Apollo 17... And Why We Never Went Back To The Moon

On December 11, 1972, Apollo 17 touched down on the Moon. This was not only our final Moon landing, but the last time we left Low Earth Orbit. With the successful launch of the Orion capsule, NASA is finally poised to go further again. So it's important to remember how we got to the Moon — and why we stopped going. » 12/12/14 1:44pm 12/12/14 1:44pm

A Mesmerizing Video Shows One Year Of The Moon’s Phases In Five Minutes

The Moon always keeps the same face to us, but not exactly the same face. Because of the tilt and shape of its orbit, we see it from slightly different angles over the course of a month. And when each month is compressed into 24 seconds, as in this video, our changing view of the Moon makes it look as if it's wobbling. » 12/11/14 10:40am 12/11/14 10:40am