Professor: We have a 'moral obligation' to seed universe with life

Space & Earth / Astronomy

19 hours ago | 3.1 / 5 (24) | 51 |

(PhysOrg.com) -- Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last ...

Climate 'Tipping Points' May Arrive Without Warning, Says Top Forecaster

Space & Earth / Environment

8 hours ago | 3.7 / 5 (6) | 5 |

(PhysOrg.com) -- A new University of California, Davis, study by a top ecological forecaster says it is harder than experts thought to predict when sudden shifts in Earth's natural systems will occur -- a worrisome finding ...

A new 3D map of the interstellar gas within 300 parsecs from the Sun

Space & Earth / Astronomy

11 hours ago | 5 / 5 (4) | 0 |

(PhysOrg.com) -- Astronomy & Astrophysics is publishing new 3D maps of the interstellar gas in the local area around our Sun. A French-American team of astronomers presents new absorption measurements toward ...

38 percent of world's surface in danger of desertification

Space & Earth / Environment

5 hours ago | 2.3 / 5 (3) | 4

A team of Spanish researchers has measured the degradation of the planet's soil using the Life Cycle Assessment (LCA), a scientific methodology that analyses the environmental impact of human activities, and ...

Russia wants to charge more for rides to space: report

Space & Earth / Space Exploration

22 hours ago | 5 / 5 (3) | 5

Russia, which is set to hold a monopoly on flights to the international space station (ISS), wants to charge more for rides on its Soyuz rocket, the space agency head said Tuesday.