In April 2019, rare primitive meteorites fell near the town of Aguas Zarcas in northern Costa Rica. In an article published in the journal Meteoritics & Planetary Science, an international team of ...

making this the largest fall of its kind since similar meteorites fell near Murchison in Australia in 1969," said Jenniskens. The Murchison meteorite fall occurred just two months after the Apollo 11 ...

For years scientists had been finding organic compounds in meteorites, but could not rule out the possibility that they were Earth-based contamination. Then, in 1969, the Murchison meteorite ...

In April 2019, a rare and powerful meteorite fell near the town of Aguas Zarcas in northern Costa Rica. Scientists say it’s ...

“27 kilos of rocks were recovered, making this the largest fall of its kind since similar meteorites fell near Murchison in Australia in 1969,” said meteor astronomer Peter Jenniskens of the SETI ...

Photo of a piece of the Murchison meteorite that was used in this study. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...

The Murchison meteorite. (Image credit: Wikimedia Commons) It has even been possible to calculate how long ago that was. Exposure to cosmic rays alters the composition of a meteoroid, so the ...

"We know of other Murchison-like meteorites that broke off at approximately the same time, and likely in the same event," said Welten, "but most broke much more recently." The team determined the ...

"Twenty-seven kilograms [60lbs] of rocks were recovered, making this the largest fall of its kind since similar meteorites fell near Murchison in Australia in 1969," said Jenniskens. The Murchison ...