Solar System
10 Interesting Facts About Earth
We've lived on planet Earth all of our lives, but how much does the average person know about the planet…
What is the Surface Temperature of Neptune?
Given its distance from the Sun, and the nature of its composition, Neptune is renowned for being the coldest planet…
The Orbit of Jupiter. How Long is a Year on Jupiter?
A a distant gas giant, Jupiter takes a considerable amount of time to orbit our Sun. In act, a single…
Haumean Moons Deepen The Dwarf Planet Mystery
Pluto and Haumea have long been thought of as cousins. But a new study highlights Haumea's lack of small, icy…
Astronomy Cast Ep. 413: Navigating Near
It's hard enough finding your way around planet Earth, but what do you do when you're trying to find your…
What is the Biggest Star in the Universe?
If our Universe could be likened to a playground, our Sun would be one of the little kids playing in…
What Are The Colors of the Planets?
When you remove all the touch-ups and filters, the planets of the Solar System look slightly different than you might…
Enceladus’ Jets Selectively Power-Up Farther From Saturn
A crowning achievement of the Cassini mission to Saturn is the discovery of water vapor jets spraying out from Enceladus' southern pole.…
How Long Does it Take Mars to Orbit the Sun?
The planet Mars has a highly eccentric orbit around the Sun, and takes a little under two years for it…
Boiling Water Is Carving Martian Slopes
Surface features on Mars may have been caused by boiling water.