SAN FRANCISCO (AP) — Yahoo will supplant Google's search engine on Firefox's Web browser in the U.S., signaling Yahoo's resolve to regain some of the ground that it has lost in the most lucrative part of the Internet's ad market.
LANGHORNE, Pa. (AP) — Kelly Mathews is on a mission — to get more girls interested in STEM.
There is a strong chance Europe's comet lander will wake up from hibernation as it nears the sun, raising hopes for a second series of scientific measurements from the surface next year, scientists involved in the mission said Monday.

News now

  • Battery issue silences comet probe
    The pioneering lander Philae completed its primary mission of exploring the comet’s surface and returned plenty of data before depleted batteries forced it to go silent, the European Space Agency said Saturday.
  • Space agency says Philae completes primary mission
    BERLIN – The pioneering lander Philae completed its primary mission of exploring the comet’s surface and returned plenty of data before depleted batteries forced it to go silent, the European Space Agency said Saturday.
  • Comet lander races battery life
    The good news: The spacecraft that landed on a comet has begun drilling beneath the surface to see what secrets the celestial body can reveal.
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