Previously believed to have occurred 1.2 billion years ago, this ancient impact created the Stac Fada Member, a layer of rock that holds vital clues to...
Scientists from Curtin University and the University of Adelaide have analyzed a 4.45-billion-year-old zircon grain from a famous Martian meteorite called...
In the new study, Dr. David Hernández Uribe from the University of Illinois Chicago used computer models to study the formation of magmas thought to hold...
Analyzing 4-billion-year-old zircon crystals from the Jack Hills in Western Australia’s Mid West region, geoscientists have pushed back the timeline...
In a 100-page monograph published in the journal Papers in Palaeontology, paleontologists have described ten new species of trilobites from the tuff-bearing...
By analyzing tiny lunar zircon crystals gathered by Apollo 17 astronauts in 1972, planetary scientists recalculated the age of the Moon. Although previous...
Plate tectonics is a fundamental factor in the sustained habitability of Earth, but its time of onset is unknown, with ages ranging from the Hadean to...
The evolution of land plants took place about 430 million years ago (Silurian period), when North America and Europe were conjoined in a landmass called...
New research led by Curtin University geologists suggests that regions of space with dense interstellar clouds may send more high-energy comets crashing...
Earth is the only planet known to have continents, although how they formed and evolved is unclear.
An artist’s concept of meteors impacting the ancient...
The nature of Earth’s earliest crust and crustal processes remains enigmatic due to the almost complete lack of a rock record older than 4 billion years...
Cubic zirconia from the 28-km- (17.4-mile) wide Mistastin Lake crater in Canada required >2,370 degrees Celsius melt, which is hottest recorded on Earth’s...
According to a study published in the journal Geology, samples of glassy slabs found in the Atacama Desert, northern Chile, contain tiny fragments with...
Homo erectus, a hominin species that originated in equatorial Africa or the Caucasus region of Eurasia, arrived on the island of Java in Indonesia around...
Libyan desert glass is a natural glass found in western Egypt that formed 29 million years ago, however its origin is disputed: the two main formation...
A lunar rock sample collected by Apollo 14 astronauts in 1971 contains traces of minerals with a chemical composition common to Earth and very unusual...
About 4 billion years ago (Hadean eon), our planet was entirely different than it is now. It was barren, smooth and almost entirely under water with a...
Geologists at the University of the Witwatersrand in Johannesburg, South Africa, have confirmed the existence of a small piece of an ancient continent,...
A new study claims to have found evidence that life existed on our planet at least 4.1 billion years ago – about 300 million years earlier than prior...
American and Canadian scientists have reported in the latest issue of Science that the magnetic field of our planet is at least 4 billion years old, up...