dust
Organic Matter Could Have Delivered Earth’s Water
The origin of Earth's water is a big piece of the puzzle in Earth's history. Did it come from comets…
There Might Be Dust Devils On Titan Too
Saturn's moon Titan is alone among the Solar System's moons. It's the only one with any atmosphere to speak of.…
It Looks Like Betelgeuse was Dimming Because it was Dusty After All
It’s been said that dust built the Universe. And it turns out dust may be the culprit for building up…
Astronomy Cast Bonus Episode: Dust with Dr. Paul Sutter
Download MP3 Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter about the nature of…
Debris Disks Around Stars Could Point the Way to Giant Exoplanets
A new study by an international team of scientists has found a connection between debris disks and giant planets, which…
How Do Galaxies Die?
Everything eventually dies, even galaxies. So how does that happen? Time to come to grips with our galactic mortality. Not…
What Makes Mars Sunsets Different from Earth’s?
Even robots can't tear their eyes from a beautiful sunset. NASA's Mars Curiosity rover pointed its high resolution mast camera…
As It Turns Out, We Really Are All Starstuff
“The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple…
Surprise – Mars Has Auroras Too!
Just a day after skywatchers at mid- to upper-latitudes around the world were treated to a particularly energetic display of auroras…