Category: Science

The War of the Worlds

In 1898, the English author H.G. Wells published The War of the Worlds, a fictitious and imaginative account of an alien invasion of Earth from Mars. Towards the end of the novel’s eleventh chapter, Wells describes a scene of destruction left behind from the first Martian attack, one in which an entire town was leveled…

Identifying Molecules In Space

The Sun is composed of 70% hydrogen, 28% helium, and 2%t heavier elements. 96% of Venus’ atmosphere is made up of Carbon Dioxide (CO2). Titan—a moon of Jupiter—has an atmosphere of 98% nitrogen. Have you ever wondered how we know all this very specific data about things so far away? To understand the explanation, we…

Organic Compounds on Mars

Since August of 2012, NASA’s Curiosity Rover has been exploring Gale Crater on Mars. The site was picked because evidence suggests that the crater once was a lake filled with liquid water. We were hoping evidence for organic chemistry on the Martian surface might be found there. So far, the analysis of the surface from…