A tiny head carved from mammoth ivory looks back at us from the Stone Age. This sculpture, discovered at the archaeological ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.