Asteroid the Size of One of Ancient Egypt's Giza Pyramids to Pass Earth
All three of the space rocks are classified as Near-Earth Objects (NEOs)—a term which refers to any asteroid or comet whose orbit takes it within 121 million miles of the sun.
Asteroid Day: Incredible Image Shows 340 Million-year-old Impact Crater
The Aorounga crater measures 7.8 miles in diameter and is thought to have been created by the fragment of an asteroid that struck Earth less than 345 million years ago.
8,000-year-old Carvings Discovered in World's Biggest Asteroid Crater
The carvings were made on a strange formation within the crater known as the "Rain Snake" dyke.
Will Climate Change Wipe Out Humanity?
Food, payment and logistics systems are connected. If one starts crashing, the chaos may cause other systems to crash, and before we know it we'll have massive shortages and conflicts.
'Potentially Hazardous' Asteroid Nearly a Mile Wide to Skim Earth Saturday
The object will come within about 3 million miles of our planet.
Massive Impact With Dwarf Planet Caused Differences Between Moon's Faces
Scientists have long been puzzled by the asymmetrical nature of the moon's two hemispheres.
Water Discovered in Asteroid Samples Could Reveal Origins of Earth's Oceans
The source of water on Earth and other planets like Mars is hotly debated in the planetary science community.
God of Chaos Asteroid Apophis Headed for Earth—and NASA Is Excited
Apohis is set to whiz past Earth at a distance of 19,000 miles in 2029.
How NASA Is Preparing to Defend Earth From Asteroids
NASA asteroid hunter Amy Mainzer talks about how the space agency hopes to find potentially hazardous space rocks.
Comet Fragment Discovered Inside Asteroid Meteorite
"I knew we were looking at something very rare," said one of the authors of a new study.
NASA Spots Rare 'Self-destructing' Asteroid 6478 Gault
The asteroid is located around 214 million miles from the Sun.
300-Foot Asteroid Will Make Close Approach to Earth
The space rock is traveling at around 30,400 miles per hour.
What Is the Geminid Meteor Shower?
The celestial event is caused by a stream of cosmic debris falling toward Earth at around 80,000 miles per hour.
Everything You Need to Know About The Geminids
Geminid meteor shower will peak on December 13 and 14.
NASA's OSIRIS-REx Spacecraft Lands on Asteroid Bennu
The spacecraft will hopefully return to Earth in 2023 with space rock samples from the surface of the asteroid.
Asteroid Impact Blasted Biblical Sodom to Smithereens
Researchers think the aerial explosion could have destroyed the city in an instant.
Asteroid Will Pass Earth Closer Than the Moon Saturday
The space rock will barrel past Earth at 4 miles a second.
Dinosaur-killing Asteroid Made Rock Flow Like Liquid
The research could help scientists understand natural disasters like landslides.
Enigmatic Rare Blue Asteroid Baffles Astronomers
Scientists recently got a close look at the asteroid responsible for the Geminid meteor shower.
Scientists Have Narrowed Down Where 'Oumuamua Came From
The comet was discovered hurtling through the solar system in 2017, but its origins have remained a mystery.
Asteroids Reveal Early Solar System 'Skirmish'
These ancient rocks are relics of the early solar system.
This is Every Asteroid Tracked By NASA Since 1998
Astronomers have got an awful lot better at spotting nearby asteroids—but there's still a long way to go.
Asteroid Discovered Last Year Has Secret Twin
The asteroids were larger than previously thought.
Undetected Asteroids Passed Close by Earth
The tiny space rocks passed a third of the distance to the moon.
NASA Hunts for Undersea Meteorite Fragments
Scientists are scrabbling to find the valuable rocks before they are degraded by sea water.
Asteroid Makes Close Approach to Earth
Vesta is the second most massive body in the asteroid belt.
Hayabusa 2 Probes Cosmic Diamond Asteroid
Scientists hope it will unravel the secrets of the building blocks of life on Earth.
NASA's New Plan to Protect Earth From Asteroids
The plan details five goals the agency and government hope to accomplish over the next 10 years.
Asteroid Strikes Earth Just Hours After Detection
Luckily for us earthlings, the asteroid was only about 6 feet wide.