NASA is developing NEO Surveyor, its first telescope designed specifically to detect potentially hazardous asteroids and comets.
Project NOVA will enable the United Kingdom to independently monitor satellites, orbital debris, and near-Earth objects, including asteroids and comets.
Rubin Observatory alerts identify moving or changing objects in the night sky, including asteroids, interstellar comets, and exploding stars.
Hydrogen cyanide has been detected on comets and in the atmospheres of planets and moons like Saturn's moon Titan.
The International Astronomical Union approved the naming of 10 asteroids in 2025 after people and places associated with the European Space Agency’s efforts to protect Earth from asteroids and comets.
Scientists can compare 3I/ATLAS's behavior and composition with that of other comets to test how materials from different planetary systems respond to solar radiation.
The Asteroids, Comets, and Meteorites research group at ICE-CSIC investigates the physicochemical properties of the materials that make up the surfaces of asteroids and comets.
The observations from SOHO have provided valuable data on the movement, composition, and dust production of comets.
Italian probes and instruments have been exploring planets, moons, comets, and extreme regions of the heliosphere for decades.
ESA's Comet Interceptor mission aims to learn more about comets, potentially observing an interstellar one.
ESA routinely monitors near-Earth asteroids and comets to calculate their orbits and provide warnings if required.
Similar extended sources of water have been seen only in a few distant comets, hinting at complex, layered ices that preserve formation clues.
Estrack tracks satellites across Earth orbit and deep into the Solar System, including comets and asteroids.
Both comets have a greenish coma of expelled gas and an ion tail pointing away from the Sun.
WD 1647+375 displayed carbon, nitrogen, sulfur, and oxygen, a mix characteristic of frozen bodies similar to comets or dwarf planets.
NASA's TESS mission provides large datasets crucial for studying comets, asteroids, and interstellar objects.
A February 2022 study analyzing volatiles detected by NASA’s LCROSS spacecraft found volatile ratios that suggest comets are the most abundant lunar water source, followed by micrometeorites.
NEOWISE discovered more than 200 near-Earth objects and 25 comets.
NEO Surveyor will be equipped with an infrared camera to scan the solar system to measure and characterize asteroids and comets more than 140 m across traveling within 50 million kilometers of Earth orbit.
Water observed on Mars likely originated from asteroids, comets, and volcanic activity.