A mosaic of images from the navigation cameras on the NASA Curiosity rover shows "halos" of lighter-toned bedrock around fractures. These halos comprise high concentrations of silica and indicate that liquid groundwater flowed through the rocks in Gale crater...
The naked HIV capsid, left, would be quickly detected and eliminated from the cell, but a host protein, cyclophilin A, in red in the image on the right, binds to the capsid and enables it to transit through the...
Sediment cores were collected from Pine Island Bay in West Antarctica using the German research vessel RV Polarstern.
Credit: James Smith @ British Antarctic Survey
Reporting in the journal Nature, an international team of researchers led by British Antarctic Survey (BAS)...
Aberration-corrected HAADF/STEM images of as-synthesized Rh-ZSM-5. Single rhodium cations are circled in white with proposed ball-stick model of the structure.
Credit: Lawrence F. Allard, co-author and researcher at Oak Ridge National Laboratory
The direct oxidation of methane -- found in natural...
Using fluorescent lights, Kerry Sieh and Charles Rubin of the Earth Observatory of Singapore look for charcoal and shells for radiocarbon dating.
Credit: Earth Observatory of Singapore
An international team of scientists digging in a sea cave in Indonesia has discovered...
This image depicts a trap nest containing a mason wasp (Antherhynchium flavomarginatum) pupa, left; and a mason wasp larva, right, that has been parasitized by the larva of the wasp parasitoid Lycogaster violaceipennis.
Credit: Felix Fornoff, University of Freiburg
Like a...
Inflammatory mechanisms caused by the brain's immune system drive the progression of Alzheimer's disease, according to new research.
Credit: © Dmitry / Fotolia
According to a study by scientists of the German Center for Neurodegenerative Diseases (DZNE) and the University of...
White-headed capuchin in Manuel Antonio National Park, Costa Rica.
Credit: © nicksen / Fotolia
Rhesus macaques and capuchin monkeys can find a stable solution when playing a competitive game in which one opponent always does better than the other, but only...
This is an image of hippo teeth products for sale in an ivory shop in Sheung Wan, Hong Kong.
Credit: Alexandra Andersson
Global wildlife trade is pushing many species to the brink of extinction. The Convention on International Trade in Endangered...
Methane hydrate recovered from ocean sediments off Svalbard dissociates into water and methane gas under surface pressure and temperature conditions, allowing the methane released to be lit on fire.
Credit: Image courtesy of National Oceanography Centre
Methane seeps from seafloor deposits...
Earth has a new lightning capital, according to a recent study using observations from the Lightning Imaging Sensor onboard NASA's Tropical Rainfall Measurement Mission.
Lake Maracaibo in Venezuela earned the top spot receiving an average rate of about 233 flashes...
