Space Science

Space Science

View of a planet’s surface in the foreground with a red moon or planet and stars visible in the background against the dark space.
7mins
30 years ago, we didn’t know other stars had planets orbiting them. Now, we may be on the verge of finding Earth’s Twin. Sara Seager explains.
24mins
“Deep down the natural endpoint of this whole goal of looking for planets is to answer the question: are we alone?”
Illustration of three planets orbiting a star, with colored bands indicating the habitable zone; text reads "FINDING LIFE Habital Zone.
18mins
"There's a long history of people claiming planets which look Earth-like, Earth 2.0, Earth twins."