Astronomers found 20 new moons orbiting Saturn, edging out Jupiter as the planet with the most moons in the solar system.
The $4 billion Benban Solar Park will be the country’s first utility-scale solar power plant.
Four car manufacturers strike a deal with California despite newly lax EPA rules.
The Ebola crisis in the D.R.C. is now the second biggest outbreak on record. That, and other science stories in the news this week.