If the origin of life is at all common, scientists may soon be finding lots of life-bearing worlds.
Researchers are studying methane as a potential substitute for water as a source for life.
Scientists are studying whether early Earth's oceans were hotter than today's oceans.
Carbon is key to life on earth. But was carbon there from the beginning, when the planet formed?
What if the aliens are hiding from us? Hiding a whole planet is easier than you think.
How far back does the fossil record really go anyway? It might not be as far as you think.
As it turns out, life may not be limited to orbits around sun-like stars.
Canadian scientists studying water found deep in an underground mine have determined that the water is at least 1.5 billion years old, and maybe much older.
Around age 20, we begin to lose neurons to the process of aging. By 75, nearly one-tenth of the neurons you were born with have died.
A new discovery suggests that living organisms may exist in places that scientists never before dreamed possible.