Astrobiology

Simulating how the Earth kick-started metabolism

(Phys.org) —Researchers have developed a new approach to simulating the energetic processes that may have led to the emergence of cell metabolism on Earth – a crucial biological function for all living ...

Mar 12, 2014
4.5 / 5 (17) 0

Astronomers: 'Tilt-a-worlds' could harbor life

A fluctuating tilt in a planet's orbit does not preclude the possibility of life, according to new research by astronomers at the University of Washington, Utah's Weber State University and NASA. In fact, ...

Apr 15, 2014
4.6 / 5 (7) 3

Exomoons Could Be Abundant Sources Of Habitability

With about 4,000 planet candidates from the Kepler Space Telescope data to analyze so far, astronomers are busy trying to figure out questions about habitability. What size planet could host life? How far ...

Oct 20, 2014
4.8 / 5 (11) 0

Cosmic rays zap a planet's chances for life

Mysterious cosmic rays constantly bombard Earth from outer space. Now scientists find these energetic particles could limit where life as we know it might exist on alien planets.

Nov 12, 2013
4 / 5 (16) 8 | with audio podcast

Looking for life in all the wrong places

(Phys.org) —Scientists have long focused their search for extraterrestrial life on Earth-like planets – but that may be a mistake, according to a McMaster researcher.

Feb 03, 2014
4.3 / 5 (25) 29 | with audio podcast