All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

Do these planets support life? The new study looks at what happens in a planet's atmosphere when gases react with light and form an "organic haze and associated gases," aerosol particles formed ...

Sponsor Message In this case, the purportedly tell-tale gases that appear to be in this planet's atmosphere ... or some mixture of both life-associated gases. At a personal level, says Madhusudhan ...

LONDON — Astronomers have found possible chemical signs of life on a distant planet outside our solar system, though they caution more work is needed to confirm their findings. The research ...

Now a team of researchers is offering what it contends is the strongest indication yet of extraterrestrial life, not in our solar system but on a massive planet ... such as the Associated Press ...

Scientists Find Possible Chemical Signs of Life on a Faraway Planet LONDON (AP) — Astronomers have found possible chemical signs of life on a distant planet outside our solar system, though they ...