The intriguing findings bolster the theory that asteroids seeded the early Earth with life's chemical components - a process known as panspermia.

The question of how life started on Earth is rife with speculation, some ending with a delivery truck from space. Panspermia ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after ...

Panspermia suggests life can travel between worlds, but new research highlights a darker implication: contamination works both ways. If microbes can survive the journey to Earth, so could far more ...