NASA launched a Black Brant IX sounding rocket straight toward the northern lights early Wednesday (Feb. 22). It was the first of two rockets that will study the structure of auroras using an instrument called ISINGLASS.
Seven Earth-size alien planets were found in a solar system not that far away, SpaceX nailed another rocket launch and landing, and Pluto may have another chance at being a true planet. Here are some of the most amazing space stories of the week.
Scientists aren't the only ones excited about the discovery of seven Earth-size exoplanets around the star TRAPPIST-1. It turns out, the folks at Google are fans, too, and they celebrated with an adorable Google Doodle.