Preserved tracks in Alaska park suggest duck-billed dinosaurs lived in Arctic year-round
Impact glass stores biodata for millions of years
(Phys.org) —Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists ...
Gusev Crater once held a lake after all, Mars scientist says
(Phys.org) —If desert mirages occur on Mars, "Lake Gusev" belongs among them. This come-and-go body of ancient water has come and gone more than once, at least in the eyes of Mars scientists.
Third lunar mineral - Tranquillityite found in Western Australia
Study raises questions about cause of global ice ages
A new international study casts doubt on the leading theory of what causes ice ages around the world—changes in the way the Earth orbits the sun.
At last, a theory about why Denver is a mile above sea level
Geologists may finally be able to explain why Denver, the Mile High City, is a mile high: water.
A new level of earthquake understanding
As everyone who lives in the San Francisco Bay Area knows, the Earth moves under our feet. But what about the stresses that cause earthquakes? How much is known about them? Until now, our understanding of ...
How were fossil tracks made by Early Triassic swimming reptiles so well preserved?
A type of vertebrate trace fossil gaining recognition in the field of paleontology is that made by various tetrapods (four-footed land-living vertebrates) as they traveled through water under buoyant or semibuoyant ...
The sun has more impact on the climate in cool periods
The activity of the Sun is an important factor in the complex interaction that controls our climate. New research now shows that the impact of the Sun is not constant over time, but has greater significance ...
Disappearing lakes stoke megafauna debate
New research into central Australia's ancient lakes has found evidence that climate change contributed to the extinction of the continent's megafauna.
Humans erode soil 100 times faster than nature
A new study shows that removing native forest and starting intensive agriculture can accelerate erosion so dramatically that in a few decades as much soil is lost as would naturally occur over thousands of ...
Breakup of ancient supercontinent Pangea hints at future fate of Atlantic Ocean
Pangea, the supercontinent that contained most of the Earth's landmass until about 180 million years ago, endured an apocalyptic undoing during the Jurassic period, when the Atlantic Ocean opened up. This ...
Researchers prove for the first time that ash clouds can cross Atlantic Ocean
Scientists at Queen's University Belfast have led the discovery of a volcanic ash cloud that travelled from Alaska to Northern Ireland and beyond - overturning previously held assumptions about how far ash ...