A large number of the valley networks scarring Mars’s surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously though.
The findings effectively throw cold water on the dominant “warm and wet ancient…
Author: admin
-
Researchers Explain the Origins of Stony-Iron Meteorites
Pallasites are stony-iron meteorites, and are known for their unusual, visually attractive structures. However, to date, their origins have been hotly disputed.
Researchers at the Bavarian Research Institute of Experimental Geochemistry &…
Continue Reading
-
Volcanic Eruptions Responsible for Cooling of Earth Around 13,000 Years Ago
Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ago, according to a research study co-authored by a Texas A&M University professor.
Some researchers believed the event…
Continue Reading
-
Biodiversity Surrounding the Tibetan Plateau Shows How Climate Change Can Affect Evolution
One of the big questions in biology is why certain plants and animals are found in some places and not others.
Figuring out how species evolve and spread, and why some places are richer in species than others, is key to understanding and…
Continue Reading
-
The Middle Holocene, a Plausible View of the Future
Global warming will modify the distribution and abundance of fish worldwide, with effects on the structure and dynamics of food networks.
However, making precise predictions on the consequences of this global phenomenon is hard without having a…
Continue Reading
-
Scientists Reveal an Explosive Secret Hidden Beneath Seemingly Trustworthy Volcanoes
An international team of volcanologists working on remote islands in the Galápagos Archipelago has found that volcanoes which reliably produce small basaltic lava eruptions hide chemically diverse magmas in their underground plumbing systems –…
Continue Reading
-
Scientists Contribute to Study Exploring Magnetization Preserved for Billions of Years in Meteorite Samples
X-ray experiments at Lawrence Berkeley National Laboratory (Berkeley Lab) played a key role in resolving the origin of rare, odd meteorites that have puzzled scientists since their discovery a half-century ago.
Known as type IIE iron meteorites,…
Continue Reading
-
Asteroid Shower on the Earth-Moon System 800 Million Years Ago Revealed by Lunar Craters
A research team led by Osaka University investigated the formation ages of 59 lunar craters with a diameter of approximately 20 km using the Terrain Camera (TC) onboard the lunar orbiter spacecraft Kaguya.
Kaguya (formerly SELENE, for…
Continue Reading
-
Study Analyses 500 Years of Floods in Europe
An international research project coordinated by the Vienna University of Technology (TU Wien), with participation from researchers of the University of Barcelona, shows for the first time that flood pattern over the last decades in Europe have…
Continue Reading
-
The Venus ‘Ring of Fire’
Years ago, planetary researchers discovered unusual circular structures on the surface of Venus when observing high-resolution images from NASA’s Magellan mission.
Such structures are known as coronae (from the Latin meaning “crowns”;…
Continue Reading