The research team camped in these tents near the drill site in Antarctica.
Credit: Reed Scherer
Lurking in a lake half a mile beneath Antarctica's icy surface, methane-eating microbes may mitigate the release of this greenhouse gas into the atmosphere as...
Remnant of a street in the urban centre of Kalibangan. The Ghaggar-Hakra palaeochannel can be seen in the distance.
Credit: S. Gupta (Imperial College London)
The Indus or Harappan Civilisation was a Bronze Age society that developed mainly in the northwestern...
Nitrogen international trade routes and intensity.
Credit: Source: University of Sydney
The first-ever global nitrogen footprint, encompassing 188 countries, has found the United States, China, India and Brazil are responsible for 46 percent of the world's nitrogen emissions.
The...
These are cardiomyocytes, green, proliferating in a mouse heart after gel injection.
Credit: University of Pennsylvania
In mammals, including humans, the cells that contract the heart muscle and enable it to beat do not regenerate after injury. After a heart attack,...
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...
Female mountain gorilla. The ancestors of simian primates -- such as gorillas, gibbons and tamarins -- were among the first to give up nocturnal activity altogether.
Credit: © F.C.G. / Fotolia
Mammals only started being active in the daytime after non-avian...
This is a macroalgae dominated reef in the Seychelles.
Credit: Nicholas Graham
Researchers examining the impact of climate change on coral reefs have found a way to predict which reefs are likely to recover following bleaching episodes and which won't.
Coral...
This image shows a false-colored electron microscope image of the University of Minnesota device. The blue area marks the topological insulator on top of the optical waveguide in red.
Credit: University of Minnesota
Light can generate an electrical current in semiconductor...
This is a Mursi woman of Nilo-Saharan ancestry. Nilo-Saharan pastoralist populations possess some of the darkest skin in Africa. Researchers from the University of Pennsylvania found mutations associated with both light and dark pigmentation in a genome-wide association study...
The white calcite 'veins' of the Loma Blanca fault are evident in this slab of rock on the fault. These veins of calcite reveal a record of fluid-driven earthquakes clustered together on a fault typically characterized by less frequent,...
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...
