Wet and mild: Researchers take the temperature of Mars's past
(PhysOrg.com) -- Researchers at the California Institute of Technology (Caltech) have directly determined the surface temperature of early Mars for the first time, providing evidence that's consistent with ...
Primitive birds shared dinosaurs' fate
A new study puts an end to the longstanding debate about how archaic birds went extinct, suggesting they were virtually wiped out by the same meteorite impact that put an end to dinosaurs 65 million years ...
Where does all the gold come from?
Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that the planet's accessible reserves of precious metals are the ...
Solar wind samples give insight into birth of solar system
(PhysOrg.com) -- Two papers in this week's issue of Science report the first oxygen and nitrogen isotopic measurements of the Sun, demonstrating that they are verydifferent from the same elements on Earth. ...
Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...
Using meteorite impacts to study seismic waves on Mars
Meteorites key to the story of Earth's layers
A new analysis of the chemical make-up of meteorites has helped scientists work out when the Earth formed its layers.
Scientists find meteoritic evidence of Mars water reservoir
(Phys.org)—NASA and an international team of planetary scientists have found evidence in meteorites on Earth that indicates Mars has a distinct and global reservoir of water or ice near its surface.
Contamination of impacted meteorites can happen quickly
A team of scientists has published the results of an investigative survey into the Sutter's Mill meteorite that landed in California in 2012.
Traces of possible Martian biological activity inside a meteorite
Did Mars ever have life? Does it still? A meteorite from Mars has reignited the old debate. An international team that includes scientists from EPFL has published a paper in the scientific journal Meteoritics ...
Astrobiology acupuncture: Collecting data from non-planar surfaces
A team of researchers supported in part by the NASA Astrobiology Program has turned to acupuncture in order to study samples from rough and uneven surfaces, such as rocks and meteorites. Using the technique, ...
Scientists debunk Clearwater Lakes formation theory
UWA geologists have helped debunk a long-held belief that twin asteroids formed Canada's Clearwater Lakes.
The abundance of water in asteroid fragments
A new study could provide insights about the abundance of water in fragments from a famous asteroid.
Experts question Nicaragua meteorite reports
Outside experts raised doubts on Monday about whether a loud boom and a gaping crater found in Nicaragua this weekend were caused by a meteorite, as the government has said.