Thanks to modern tech, Earth is now considered a ‘detectable’ planet. Astrophysicist Sara Seager explains how this idea can lead us to discovering life elsewhere in our universe.

Military satellite research brought us GPS. Astronomers influenced medical imaging tech. What would be invented after we discover alien life? Professor Sara Seager explains the consequences of such a groundbreaking discovery.

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.

“Deep down the natural endpoint of this whole goal of looking for planets is to answer the question: are we alone?”

"There is interesting ethical questions about how we should actually conduct ourselves in [a space colonization] exploration phase."

"There's a long history of people claiming planets which look Earth-like, Earth 2.0, Earth twins."

"Many astronomers are really driven by the search for Earth twins because I think deep down the natural endpoint of this whole goal of looking for planets is to answer the question, are we alone?"

Do aliens dream about meeting us, too?