Realizing that it’s essentially a cycloidal drive meshed with a planetary gear set, he got to work in CAD and, in seemingly no time, had a design to test. You can see the full results of his ...

Alien worlds that glow like lightbulbs or harbor molten-rock rain are revealing planets’ profound cosmic diversity—and pointing the way toward finding those that truly resemble our own ...

Planet position forms the base that sets the mechanics of astrology in motion. The planetary position gives the degree, minutes and seconds of the Zodiac over which celestial bodies are transiting at ...

Illustration by Andrew Fazekas Astronomers call these planetary close encounters conjunctions. Having two or three planets huddled together is not all that rare, but the last time we saw a ...

Look, we don't take astrology seriously but it is fun to play around with matching personality traits with zodiac signs and ...

Another "planetary parade" happens again soon, and this one, according to NASA, should be much easier to spot. Here's what we know. Yes, according to skywatching tips from NASA, a planetary ...

Astronomers and stargazers around the U.S. could get a peek at a planetary parade this weekend, NASA says. On Saturday, before sunrise, people will get to see Jupiter, Mercury, Uranus, Mars ...

Shop the best 4th of July sales on Amazon. Check out 15 deals you can get today on brands like Hydro Flask, Ninja, Weber and ...

Another planetary parade is in store this month, and it’s coming up this weekend. If you missed the last one or want a second chance to flex your telescope skills and snap some photos ...

Planetary scientists are proposing a new definition of a planet to replace one that many researchers view as sun-centric and outdated. The current definition—established in 2006 by the ...

Remote Sensing, Vol. 12, Issue. 16, p. 2544. This book chronicles the history of climate science and planetary exploration, focusing on our ever-expanding knowledge of Earth's climate, and the ...

This series provides a vehicle for the publication of advances in planetary science research. It includes reference volumes and postgraduate-level books on the terrestrial and gas giant planets and ...