According to the model of US researchers, the entire Milky Way (and even other galaxies) could be exchanging the components necessary for life.
Researchers have found among the first and perhaps only hard evidence that simple protein catalysts - essential for cells, the building blocks of life, to function - may have existed when life began.
Could the building blocks for life on Earth have been delivered by meteorites crashing into ponds of water 4 billion years ago?
A discovery on Saturn's Moon Titan could be an indication of how life begins to emerge throughout the Universe.
Two teams of researchers reported they have detected a prebiotic molecule—a potential building block of life—around newly formed sunlike stars.
Saturn's sixth-largest moon is incredibly far from the sun, but new research shows that it could probably sustain life.
A team of scientists reports that it has discovered the existence of a white dwarf star whose atmosphere is rich in carbon and nitrogen, oxygen and hydrogen. The white dwarf is approximately 200 light years from Earth and is located in the constellation Boötes.