Scientists with the US Phoenix lander will make their first analysis of Martian ice fragments in coming days but it could be the last done in one of the probe's small ovens, NASA said on its website Friday.
A group of scientists, joined by a member of Congress, used the 100th anniversary of the Tunguska asteroid event this week to draw attention to their belief that the United States is not doing enough to defend the planet against the dangers posed by near-Earth objects.
Global warming increases the rate of "ocean acidification" and is damaging some of the most important living organisms in the sea's food web, U.S. scientists have warned.
Washington, July 5 : Scientists at Lawrence Livermore National Laboratory claim to have found a physical phenomenon that can help see atomic-scale acoustic waves in nanostructures.
