Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...
NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an ...
A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.
All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...