The so-called Chicxulub impactor was a carbonaceous-type asteroid that had formed beyond the orbit of Jupiter, according to a new paper published in the...
In new research, planetary scientists from the University of Maryland and elsewhere analyzed melted meteorites that had been floating around in space since...
Using state-of-the-art analytical techniques, researchers have detected diverse suites of nucleobases — including canonical base pairs (e.g., adenine-uracil,...
Two fundamentally different processes of rocky planet formation exist, but it is unclear which one built the Earth and other terrestrial solar system planets....
Around 4.567 billion years ago, our Solar System harbored a gap within the protoplanetary disk, near the location where the main asteroid belt resides...
The 5.8-km-wide (3.6-mile) near-Earth asteroid Phaethon, which is the source of the annual Geminid meteor shower, brightens as it gets close to the Sun....
A team of planetary scientists from the Department of Space Studies at the Southwest Research Institute has combined computer models of asteroid evolution...
In 2011, planetary researchers using samples of the solar wind collected by NASA’s Genesis spacecraft found that solar system planetary bodies have a...
Almost 300 g of the so-called Winchcombe meteorite, a space rock that fell from the fireball that lit up the sky over the United Kingdom and Northern Europe...
At the end of the Cretaceous period, about 66 million years ago, a 10-km impactor crashed into Earth near the site of the small town of Chicxulub in what...
An international team of researchers has detected a polyheterocyclic organic molecule called hexamethylenetetramine in three carbonaceous meteorites: Murchison,...
A team of astrobiologists from NASA’s Goddard Space Flight Center and the Carnegie Institution for Science has found a wide diversity of amino acids...
In a new study published in the journal Microorganisms, a team of researchers from the UK, the Netherlands and Germany tested how mammalian immune cells...
A team of researchers from the United States and Canada has found evidence for 4.55-billion-year-old sodium-rich alkaline fluids in the Tagish Lake meteorite,...
An international team of scientists from the UK and Japan has found ‘fossilized asteroidal ice’ and pristine dust materials in a 4.6-billion-year-old...
