Purple finches, indicators of healthy coniferous habitat, are declining in the Northwest, according to data from the Klamath Bird Observatory.
Credit: J. Livaudais
Populations of many North American songbirds are declining, and in many cases we don't understand why -- for...
Sealings from the archive of Doliche.
Credit: Asia Minor Research Centre
Classical scholars from the Cluster of Excellence "Religion and Politics" of the University of Münster discovered a large number of sealings in south-east Turkey. "This unique group of artefacts comprising...
This is image shows modern Mars (left) dry and barren, compared with the same scene over 3.5 billion years ago covered in water (right). The rocks of the surface were slowly reacting with the water, sequestering it into the...
The atmospheric superrotation at the upper clouds of Venus. While the superrotation is present in both day and night sides of Venus, it seems more uniform in the day (AKATSUKI-UVI image at 360 nm, right side), while in the...
Helobdella robusta, a tiny freshwater leech that attacks and kills snails.
Credit: Photo by Ajna S. Rievra/UC Berkeley
Leeches, despite the yuck factor, have captured the hearts of two University of California, Berkeley, scientists who are part of a team...
When raised in warm water and exposed to acidic water, bryozoans, honeycomb-shaped sea creatures, dissolved within two months, researchers observed.
Credit: Eric Sanford/UC Davis
The one-two punch of warming waters and ocean acidification is predisposing some marine animals to dissolving quickly...
Flood of Genova, November 2011.
Credit: © fotonazario / Fotolia
Losses from extreme floods in Europe could more than double by 2050, because of climate change and socioeconomic development. Understanding the risk posed by large-scale floods is of growing importance and...
DNA (stock illustration).
Credit: © frenta / Fotolia
A neutral genetic mutation -- a fluke in the evolutionary process that had no apparent biological purpose -- that appeared over 700 million years ago in biological evolution could help explain the origin...
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...
AWARE instruments at the WAIS Divide field camp in central West Antarctica in December 2015 under a spectacular optical display ("sun dog") due to atmospheric ice crystals.
Credit: Colin Jenkinson, Australian Bureau of Meteorology
An area of West Antarctica more than...
Cave city in volcanic rocks of uplifted Central Anatolian plateau.
Credit: Russell Pysklywec
When renowned University of Toronto (U of T) geophysicist J. Tuzo Wilson cemented concepts in the emerging field of plate tectonics in the 1960s, he revolutionized the study...
