Science

Scratching the Surface: It's A Comet, It's An Asteroid... No, it's 'Oumuamua

Jul 16, 2018
European Southern Observatory/M. Kornmesser / NASA

In October 2017 the Pan Starrs telescope in Haleakala, Hawaii caught a glimpse of something unusual. Initially classified as a comet and then as an asteroid, the small (800 feet)  disc-shaped rock called 'Oumuamua tumbled into our orbit and became the first of a new class of interstellar objects.

Scratching the Surface: Labyrinths on Titan

Mar 7, 2018
NASA/JPL-Caltech/ASI

Labyrinths in Space? Yes, the elaborate mazes of Greek mythology may not just be a human invention. 

Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the University of Arkansas Center for Space and Planetary Science.

Scratching the Surface: Mars Mission Stays Close to Home

Nov 3, 2017

Can a Spanish river teach us about life on Mars? NASA says yes.

Scratching the Surface: Islands in the (bubble) stream

Oct 23, 2017

Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the Center for Space and Planetary Science. In this episode Caitlin breaks down the "magic islands" on Titans lakes.

Titan is Saturn's largest moon and the only other celestial body besides Earth where surface liquid is visible. Multiple satellite images show the islands disappearing and then reappearing on the lakes. The truth of this Houdini act is more than a little fizzy. 

courtesy / University of Arkansas

A study from the University of Arkansas shows that exercise may help prevent insulin resistance, a precursor to Type 2 diabetes. Two UA researchers, Megan Rosa-Caldwell and Nicholas Greene, worked on the study and the results were published in June in Experimental Physiology.

Pages