life on earth

Did Life Evolve More Than Once? Researchers Are Closing in on An Answer

Japan Retrieves Asteroid Samples in Hunt for Origins of Planets

Japanese Space Probe Carrying Asteroid Pieces Lands in Australia

Japanese Probe Hayabusa 2 Touches Down on Asteroid to Collect Samples

According to the theory of panspermia, outer space seeded Earth with comet-borne primitive life forms over four billion years ago. Credit: Yuri_B/pixabay

Are We the Aliens We Seek?

A freshly excavated fossil specimen of Yawunik kootenayi is seen in this undated handout picture. Credit: Reuters

Some of the Oldest Evidence of Life on Earth Found in Canadian Rocks

Did Comets Kick-Start Life on Earth? Chemists Find Missing Piece of Puzzle