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Earth Sciences Nov 2, 2020

New mineral from the moon could explain what happens in the Earth's mantle

A team of European researchers discovered a new high-pressure mineral in a lunar meteorite which is helping to explain what happens to materials within the extreme pressures of the Earth's mantle.

Astronomy Nov 2, 2020

Analysis of a Martian meteorite reveals evidence of water 4.4 billion years ago

A meteorite that originated on Mars billions of years ago reveals details of ancient impact events on the red planet. Certain minerals from the Martian crust in the meteorite are oxidized, suggesting the presence of water ...

Space Exploration Oct 27, 2020

'Fireball' meteorite contains pristine extraterrestrial organic compounds

On the night of January 16, 2018, a fireball meteor streaked across the sky over the Midwest and Ontario before landing on a frozen lake in Michigan. Scientists used weather radar to find where the pieces landed and meteorite ...

Space Exploration Oct 20, 2020

Q&A: What touching an asteroid can teach us

The University of Arizona-led OSIRIS-REx mission will make NASA's first attempt at collecting a sample from an asteroid on Oct. 20. The sample, which will be returned to Earth in 2023, has the potential to shed light on the ...

Space Exploration Oct 8, 2020

OSIRIS-REx mission researchers detail history of asteroid Bennu

NASA's OSIRIS-REx spacecraft mission, launched on Sept. 8, 2016, is the first U.S. mission designed to retrieve a pristine sample of an asteroid and return it to Earth for further study. The mission's target is Bennu, a carbon-rich ...

Astronomy Sep 29, 2020

Video shows a meteoroid skipping off Earth's atmosphere

Here's something we don't see very often: an Earth-grazing meteoroid.

Space Exploration Sep 29, 2020

New insights into the origin of diamonds in meteorites

Scientists have offered new insights into the origin of diamonds in ureilites (a group of stony meteorites). These diamonds most likely formed by rapid shock transformation from graphite (the common low-pressure form of pure ...

Space Exploration Sep 16, 2020

Meteorite study calls into doubt a popular theory about the early solar system

It is generally accepted that the inner region of the early solar system was subject to an intense period of meteoric bombardment referred to as the late heavy bombardment. However, researchers have found evidence that suggests ...

Astronomy Sep 8, 2020

Meteorites show transport of material in early solar system

New studies of a rare type of meteorite show that material from close to the Sun reached the outer solar system even as the planet Jupiter cleared a gap in the disk of dust and gas from which the planets formed. The results, ...

Astrobiology Sep 2, 2020

Did meteorite impacts help create life on Earth and beyond?

What if impact craters, long seen as harbingers of death, turned out to be the cradle of life?

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