Learn about the solar system in our new What If song. Explore planets, moons, and cosmic wonders through music and imagination.

“J grabbed my guitar and just started playing along so we hit record,” Petkovic explained in a statement; he and Mascis alsos play together in the band Sweet Apple. “It sums up the entire process… we ...

One of this year's most thrilling scientific discoveries was TRAPPIST-1, the system of seven Earth-size planets that orbit a sun 39 light-years from our own. There was just one problem with the ...