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Space Exploration Oct 14, 2023

Osiris-Rex: NASA reveals evidence of water and carbon in sample delivered to Earth from an asteroid

On September 24 this year, a NASA capsule parachuted down to Earth carrying a precious cache of material grabbed from an asteroid. The space agency has now revealed images and a preliminary analysis of the space rocks it ...

Space Exploration Oct 11, 2023

With Psyche, a journey to an ancient asteroid is set to begin

If all goes well, on Thursday morning a NASA mission with extensive connections to MIT will be headed to a metal world.

Archaeology Oct 4, 2023

A prehistoric cosmic airburst preceded the advent of agriculture in the Levant

Agriculture in Syria started with a bang 12,800 years ago as a fragmented comet slammed into the Earth's atmosphere. The explosion and subsequent environmental changes forced hunter-gatherers in the prehistoric settlement ...

Planetary Sciences Oct 2, 2023

Q&A: Asteroid rocks may hold secrets to the origin of the solar system

Early Sunday morning, NASA's OSIRIS-REx spacecraft released a container that subsequently landed in Utah containing material from Bennu, a carbon-rich asteroid in the solar system.

Astrobiology Oct 2, 2023

Renaissance for magnetotactic bacteria in astrobiology

Magnetotactic bacteria can form magnetofossils like magnetic nanocrystals as observed in the Martian meteorite ALH84001, which held a special place in the field of astrobiology primarily in the early 90s. While the flourishing ...

Astronomy Sep 28, 2023

Meteorite discovery: Unusual finds by South African farmer add to space rock heritage

Meteorites—fragments of rock that have fallen to Earth from space in spectacularly fiery meteors—have been the subject of public fascination, awe, myths and even religious worship for thousands of years.

Planetary Sciences Sep 22, 2023

A NASA spacecraft is on course to deliver material from an asteroid to Earth—here's what we could learn

Around 15 years ago, I was on a European Space Agency (Esa) committee, looking at Esa's strategy for proposed forthcoming space missions. Under consideration was a mission to an asteroid. Over dinner, one of the committee ...

Space Exploration Sep 6, 2023

Have we really found the first samples from beyond the solar system? The evidence is not convincing

Avi Loeb, an astrophysicist at Harvard University in the US, has published a press release claiming that some of the 700 or so spherical metallic fragments (spherules) he recovered from the bottom of the Pacific Ocean, just ...

Planetary Sciences Sep 3, 2023

4.6-billion-year-old meteorite increases our understanding of the early solar system

An analysis of the approximately 4.6-billion-year-old meteorite Erg Chech 002, discovered in 2020 in the Erg Chech region of the Sahara Desert in Algeria, is presented in Nature Communications.

Space Exploration Aug 30, 2023

Sahara space rock 4.5 billion years old upends assumptions about the early solar system

In May 2020, some unusual rocks containing distinctive greenish crystals were found in the Erg Chech sand sea, a dune-filled region of the Sahara Desert in southern Algeria.

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