 |

Q and A: John Richardson and John Belcher on Voyager 1's crossing and interstellar exploration
On Sept. 12, scientists announced that NASA's Voyager 1 spacecraft had gone where no man or machine has gone before: beyond the solar system, and into interstellar space. According to data from the ... more
|  |

Scientists discover cosmic factory for making building blocks of life
Scientists have discovered a 'cosmic factory' for producing the building blocks of life, amino acids, in research published today in the journal Nature Geoscience.
The team from Imperial Colle ... more
|  |

How Do We Know When Voyager Reaches Interstellar Space?
Whether and when NASA's Voyager 1 spacecraft, humankind's most distant object, broke through to interstellar space, the space between stars, has been a thorny issue. For the last year, claims have s ... more
|  |

Detecting Biomarkers on Faraway Planets
On Earth, life leaves tell-tale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into ... more
|