▲ Peaking
Science
The Components For Life May Not Have Arrived By Comet
New simulations challenge the long-held theory that comets delivered the essential chemical building blocks necessary for life to begin on Earth.
Origin Of Life
3 trends tracked about this subject — the full history, oldest to newest below.
◼ Archived
Science
New study casts doubt on theory about the role comets played in kick-starting life on Earth
A newly published scientific study challenges the long-standing theory that comets played a major role in kick-starting life on Earth.
↓ Cooling
Science
Scientists say decades-old theory on the origin of life might be wrong
Scientists challenge a decades-old scientific theory concerning how life on Earth first began.