The search for evidence of extraterrestrial life in our Solar System is currently guided by our
understanding of terrestrial biology and its associated biosignatures. The observed …

Some years ago, the consensus was that asteroid (16) Psyche was almost entirely metal.
New data on density, radar properties, and spectral signatures indicate that the asteroid is …

Samples of the carbonaceous asteroid Ryugu were brought to Earth by the Hayabusa2
spacecraft. We analyzed 17 Ryugu samples measuring 1 to 8 millimeters. Carbon dioxide …

Although no known asteroid poses a threat to Earth for at least the next century, the
catalogue of near-Earth asteroids is incomplete for objects whose impacts would produce …

C-type asteroids are considered to be primitive small Solar System bodies enriched in water
and organics, providing clues to the origin and evolution of the Solar System and the …

Presented here are the observations and interpretations from a comprehensive analysis of
16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 …

Samples of the carbonaceous asteroid (162173) Ryugu were collected and brought to Earth
by the Hayabusa2 spacecraft. We investigated the macromolecular organic matter in Ryugu …

INTRODUCTION The asteroid 162173 Ryugu is the target of the Japanese Hayabusa2
mission, which is designed to collect samples from Ryugu's surface and return them to Earth …

The near-Earth asteroid 162173 Ryugu, the target of the Hayabusa2 sample-return mission,
is thought to be a primitive carbonaceous object. We report reflectance spectra of Ryugu's …

The Hayabusa2 spacecraft investigated the C-type (carbonaceous) asteroid (162173)
Ryugu. The mission performed two landing operations to collect samples of surface and …