Ancient Martian Rivers?

  Planetary scientists at the European Space Agency have released 3D images of the “striking upper part of the Reull Vallis region of Mars,” which reveal a 932-mile-long (1500 kilometer) river running from the Promethei Terra Highlands to the vast Hellas basin. This river was huge. The image data from ESA’s Mars Express spacecraft shows that, at…

Fusion Intrusion?

 Until someone figures out a way to manufacture antimatter, fusion is by far the cleanest and most abundant source of power we can hope to harvest. We’ve known this for a long time, but fusion is hard, and it’s expensive to build the giant lasers or toroidal plasma containment systems that are needed to get it to work. By most…

Kickin’ it in the Habitable

A team of astronomers from Penn State led by Ravi Kumar Kopparapu and Ramses Ramírez, also PHL collaborators, announced a redefinition of the classical stellar habitable zone. Their study has strong implications on how we search and study potentially habitable exoplanets. The main conclusion of their study is that the habitable zones are actually farther away from…

I ‘pot’ so

A teen who consumes alcohol is likely to have reduced brain tissue health, but a teen who uses marijuana is not, according to a new study.Researchers scanned the brains of 92 adolescents, ages 16 to 20, before and after an 18-month period. During that year and a half, half of the teens — who already had…