Latest articles by Michael Schirber
Life may have been significantly affected in the past by a cosmic ray blast, but researchers are still looking for the smoking gun.
Like messages in a bottle, grains inside meteorites carry clues to the history of our solar system.
When stars go pop, a murderous torrent of energy is released. Life on Earth may have been partly extinguished by just such a violent outburst.
New research suggests we could detect a potential beacon from a planet full of microbes.
A new satellite is slated to continuously monitor the negative effects of space on biology.
Not astrobiologists' first choice, red dwarf stars have now gained acceptance as potential hosts for habitable planets
Living in Earth's tropics may beat life at the poles, but the true reason has eluded biologists.
Large debris disks around certain stars may imply a high rate of killer comets that wipe out any chance of life forming.
Some researchers believe life may have had a chance of survival on Mars. based on Phoenix lander data.
Light bouncing off vegetation could be a signal of life on an alien planet.
Scientists have been dreaming up ways to talk to aliens since the 19th century.
Methane found on Mars could be a sign of life on the red planet.
New research says nearby stars and the galaxy influence Earth-bound comets.
Planets around small mass stars may only have a billion-year window during which life can form.
A type of diamond imposes a rigid order on molecules near its surface.
Swedish researchers are developing a submersible to explore thick ice caps.
New data from a distant galaxy provide evidence that the mass of fundamental bits of matter has not changed since the universe was half its age.
A study offers a new way to detect biological molecules in martian rock.
Contamination of a Mars spacecraft might lead to a false detection of life.
