Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

They also found that the second most common group of meteorites, stony L chondrites, and the least abundant stony meteorites, LL chondrites, which are primarily from the inner main belt, trace back to ...

Chao, E. C. T., Adler, I., Dwornik, E. D., and Littler, J., Science (in the press). Viste, E., and Anders, E., Univ. Chicago, Enrico Fermi Inst. for Nuclear Studies ...

Within a fairly sharp surface of discontinuity comes what may be called the stony zone. The density is 3.4 and judging from the close analogy presented by meteorites ... blank check 0:1 the ...

Kevin McMahon, of Selden, alleges that Jamaica Hospital’s negligence led to him being sent home with the wrong parents—a mix-up that went undiscovered for 60 years, according to a lawsuit filed in ...

Although it’s about the same age as Kalkkop — the crater was excavated 200,000 years ago or so by a stony meteorite some 40 meters across — it has been much better preserved. In fact, with a depth of ...

"The fall of Aguas Zarcas was huge news in the country. No other fireball was as widely reported and then recovered as stones on the ground in Costa Rica in the past 150 years." ...

Oxford researchers have unearthed a cosmic surprise showing that the hydrogen needed for water was embedded in the very rocks ...

In the Mauritanian desert, nomadic herders look for unusual rocks with a dark surface, hoping to find rare meteorites and strike it big.