BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

A small object, 2015 DJ155, roughly the size of the Statue of Liberty, is expected to pass by Earth on January 31, traveling ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

SCIENTISTS have discovered a new super-Earth with an ‘eccentric’ orbit that swings it in-and-out of its star’s habitable zone ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A 196-foot-wide asteroid has a 1-in-83 chance of striking Earth in 2032. An expert tells Space.com where this asteroid could ...

2024 PT5 is the second near-Earth asteroid scientists suspect was ejected from the moon's surface, the first being 469219 ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Scientists have discovered massive structures deep inside Earth, beneath Africa and the Pacific Ocean. These structures are ...

Planetary defense is a global imperative, of course, but for the time being, NASA — and, by extension, the United States — is ...