Advances in the discovery and characterization of asteroids over the past decade have
revealed an unanticipated underlying structure that points to a dramatic early history of the …

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 …

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 …

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 …

Astronomical observations reveal that protoplanetary disks around young stars commonly
have ring-and gap-like structures in their dust distributions. These features are associated …

The European Space Agency's Planck satellite, dedicated to studying the early Universe
and its subsequent evolution, was launched 14 May 2009 and has been scanning the …

There is a long-standing debate regarding the origin of the terrestrial planets' water as well
as the hydrated C-type asteroids. Here we show that the inner Solar System's water is a …

Determining the source (s) of hydrogen, carbon, and nitrogen accreted by Earth is important
for understanding the origins of water and life and for constraining dynamical processes that …

INTRODUCTION The color and reflectance of asteroids can be used to infer their
compositions and histories. Variations in these spectrophotometric properties are driven by …

Multilayer graphene is an exceptional anisotropic material due to its layered structure
composed of two-dimensional carbon lattices. Although the intrinsic mechanical properties …