Northern Arizona University

  • What would Earth’s climate naturally be doing if it weren’t for human intervention? Researchers have now analyzed 12,000 years of climate data, and found that human-induced warming interrupted and reversed a long-term natural global cooling period.
  • If you grew up knowing that there were nine planets orbiting our sun and were a bit crushed when Pluto lost its status, there might be new hope for a nine-pack, as researchers are again putting forth the idea that a planet might be lurking somewhere out there on the fringes of our Solar System.
  • Science
    Arctic temperatures in the 1990s reached their warmest level in 2,000 years, new research indicates. The study provides new evidence that the Arctic would be cooling if not for greenhouse gas emissions that are overpowering natural climate patterns.