Comets and Asteroids Archives - Page 3 of 14 - Astrobiology

Uncovering a Centaur’s Tracks: UCF Scientists Examine Unique Asteroid-Comet Hybrid

Comets and Asteroids

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Enlargement of Depressions on Comet 81P/Wild 2: Constraint Based on 30-year Cometary Activity in the Inner Solar System

Comets and Asteroids

Enlargement of Depressions on Comet 81P/Wild 2: Constraint Based on 30-year Cometary Activity in the Inner Solar System

Two Distinct Populations of Dark Comets Delineated by Orbits and Sizes

Comets and Asteroids

Two Distinct Populations of Dark Comets Delineated by Orbits and Sizes

A Nearly Terrestrial D/H For Comet 67P/Churyumov-Gerasimenko

Comets and Asteroids

A Nearly Terrestrial D/H For Comet 67P/Churyumov-Gerasimenko

The Smallest Asteroids Ever Detected In The Main Belt

Comets and Asteroids

The Smallest Asteroids Ever Detected In The Main Belt

NASA Researchers Discover More Dark Comets

Comets and Asteroids

NASA Researchers Discover More Dark Comets

NASA-Led Team Links Comet Water to Earth’s Oceans

Comets and Asteroids

NASA-Led Team Links Comet Water to Earth’s Oceans

Ionizing Radiation Exposure On Arrokoth Shapes A Sugar World

Astrochemistry

Ionizing Radiation Exposure On Arrokoth Shapes A Sugar World

Electron-Induced Radiolysis of Water Ice and the Buildup of Oxygen On Icy Worlds

Astrochemistry

Electron-Induced Radiolysis of Water Ice and the Buildup of Oxygen On Icy Worlds

Planetary Protection & Biosafety

NASA’s Office of Planetary Protection Has A New Logo

An Impact-free Mechanism To Deliver Water To Terrestrial Planets And Exoplanets

Astrochemistry

An Impact-free Mechanism To Deliver Water To Terrestrial Planets And Exoplanets

The Response of Planetary Atmospheres to the Impact of Icy Comets I: Tidally-Locked exo-Earths

Impact events

The Response of Planetary Atmospheres to the Impact of Icy Comets I: Tidally-Locked exo-Earths

He Awa Whiria: The Tidal Streams of Interstellar Objects

Comets and Asteroids

He Awa Whiria: The Tidal Streams of Interstellar Objects

Illuminating The Journey Of A 4-billion-year-old Asteroid

Comets and Asteroids

Illuminating The Journey Of A 4-billion-year-old Asteroid

Astrochemistry: The Mystery of Life’s Handedness Deepens

Astrochemistry

Astrochemistry: The Mystery of Life’s Handedness Deepens

The Volatile Composition and Activity Evolution of Main-Belt Comet 358P/PANSTARRS

Comets and Asteroids

The Volatile Composition and Activity Evolution of Main-Belt Comet 358P/PANSTARRS

Asteroid Grains Shed Light On The Outer Solar System’s Origins

Astrogeology

Asteroid Grains Shed Light On The Outer Solar System’s Origins

Prominent Mid-infrared Excess Of The Dwarf Planet (136472) Makemake Discovered by JWST/MIRI Indicates Ongoing Activity

Icy Worlds

Prominent Mid-infrared Excess Of The Dwarf Planet (136472) Makemake Discovered by JWST/MIRI Indicates Ongoing Activity

The Origin Of Most Meteorites Finally Revealed

Meteorites & Asteroids

The Origin Of Most Meteorites Finally Revealed

Evidence For Abiotic Dimethyl Sulfide In Cometary Matter

Comets and Asteroids

Evidence For Abiotic Dimethyl Sulfide In Cometary Matter