Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Earth’s habitability may trace back to a precise chemical balance during its formation, one that kept life-critical elements from disappearing into the core or drifting into space.

The wonders of life on Earth are endless, but all that may never have come to pass were it not for the planet having the perfect amount of oxygen at birth.

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Astronomers have discovered a chemical called methanimine in the core of a pre-stellar cloud 554 light-years away, a finding ...

Researchers investigating the origin of complex life on Earth might have just made a major breakthrough. The origin of humanity and the planet Earth is probably debated more than whether the chicken ...

Tracy Morgan and Daniel Radcliffe talk NBC comedy "The Fall and Rise of Reggie Dinkins" – and who should play them in a biopic.

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

One of the greatest mysteries of our planet is how a soup of lifeless chemicals transformed into the first living cell. There are several competing theories about where this happened, from frozen ...

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments simulating interstellar space show that simple amino acids can link into peptides, ...