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...
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...
Flooded street. Credit: © kasto / Fotolia A new study by researchers from MIT and the Swiss Federal Institute of Technology in Zurich shows that the most extreme rain events in most regions of the world will increase in intensity by...
Artist's conceptions of the most-distant supermassive black hole ever discovered, which is part of a quasar from just 690 million years after the Big Bang. It is surrounded by neutral hydrogen, indicating that it is from the period called...
The genomes of the owl limpet (pictured), a freshwater leech and an ocean-dwelling worm are among the first sequenced genomes from a vast, understudied swath of the animal kingdom known as lophotrochozoans, which includes as many as one-quarter of...
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...
Model of an island volcano. During the last transition to glacial conditions the decreasing pressure at the seafloor could have induced increased lava- and carbon dioxide emissions. Credit: Jörg Hasenclever Climate evolution shows some regularities, which can be traced throughout long...
Adams Flat, one of the two sites in Antarctica where microbes were collected. Credit: Phil O'Brien UNSW-Sydney led scientists have discovered that microbes in Antarctica have a previously unknown ability to scavenge hydrogen, carbon monoxide and carbon dioxide from the air...
Most of the known volcanic hotspots are linked to plumes of hot rock (red) rising from two spots on the boundary between the metal core and rocky mantle 1,800 miles below Earth's surface. Credit: Image courtesy of University of California...
Tomato plants produce repellent chemicals called volatile organic compounds in response to herbivore attacks. (Stock image) Credit: © slavomir pancevac / Fotolia In sports, sometimes a player has to take one for the team. The same appears to be true in...
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...