Qian Yuan
Scientists say they’ve finally found remnants of Theia, an ancient planet that collided with Earth to form the moon
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists widely agree ...
Mysterious “blobs” inside Earth may be from collision with another planet
Science
Dr. Sarah Adams
Scientists proposed a novel idea on Wednesday that could solve two of the world’s mysteries at once — one that passes over ...
