Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

A team has now pushed the discovery limit to smaller sizes, delivering the smallest asteroids known in the main belt. Among the asteroids that get close to our planet, the decameter class (those ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour.

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...

YR is considered to be larger than the Chelyabinsk asteroid that struck Russia in 2013. Its shock wave was strong enough to ...

Bright yellow deposits in Consus Crater provide new evidence of Ceres' cryovolcanic history, reigniting the debate over ...

Astronomers Find the Smallest Asteroids Ever Detected in the Main Belt Dec. 9, 2024 — Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt.

NASA is keeping a close watch on three asteroids making near-Earth approaches today. One of them, named 2025 CF, will pass within just 77,200 miles of our planet-roughly one-third ...

Main-belt comets (MBCs) and asteroids are fascinating celestial objects that reside in the asteroid belt between Mars and Jupiter. MBCs are unique because they exhibit comet-like activity ...

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

They then developed a method to study them and identified 138 new main-belt asteroids. These celestial bodies, ranging from the size of a bus to that of several stadiums, represent the smallest ...