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By Ron Cowen of Nature magazine Physicists last week announced evidence that particles of dark matter--the invisible, hypothetical material believed to make up more than 80 percent of the mass of the Universe--may have a lower mass than suspected.

By Ron Cowen of Nature magazine Physicists last week announced evidence that particles of dark matter--the invisible, hypothetical material believed to make up more than 80 percent of the mass of the Universe--may have a lower mass than suspected. [More]

By Natasha Gilbert of Nature magazine A desert may need no defining, but desertification is not so easy to pin down. [More]

By Nicola Jones of Nature magazine Endangered seals in a marine protected area are heading towards local extinction, even while the same species thrives in an unprotected area nearby. [More]

By Marian Turner of Nature magazine Germany aims to shorten the time it takes for information on infectious-disease outbreaks to reach federal authorities from up to 18 days to just three, after this year's outbreak of enterohemorrhagic Escherichia coli killed 53 people. [More]

(PhysOrg.com) -- A team of researchers working at Stanford University have devised a means for building the smallest self-contained fluorescence microscope ever. Weighing just under 2 grams and slightly larger than the end of a pencil, the new microscope is small enough to attach to a mouse head, which means researchers can watch the mouse brain in a natural setting.

By Ewen Callaway of Nature magazine New descriptions of Australopithecus sediba fossils have added to debates about the species' place in the human lineage.

Thar’s gold in them thar hills--and we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earth’s exterior with precious metals

The deadly plot unrealized. The heart attack not had. The truth is that the successes of both national security and public health often pass by unnoticed.

From Nature magazine. Hair-like filaments called pili enable some bacteria to remove uranium from contaminated groundwater

From Nature magazine Fatu, a female northern white rhinoceros who lives in a Kenyan conservation park, is one of just seven of her kind left in the world. But millions of her stem cells, stored in a freezer in California, might one day help boost her population's ranks.

(PhysOrg.com) -- Scientists have reached a crucial milestone that could lead to a new class of materials with useful electronic properties. In research reported in the Sept.

By Eric Hand and Nature magazine Venus would seem to be a tempting destination for planetary probes: conveniently close, and an extreme laboratory for atmospheric processes familiar on Earth. So why won't NASA send a mission there

In the three years since

Instead of being held captive by massive startup and infrastructure costs, Science Exchange allows anyone to have an experiment performed for them--for a fee. Scientific research is an expensive proposition.