Asteroids
Scientists Find a Tiny Speck of Comet Inside a Meteorite
The little fragment found in Antarctica was protected from the elements and preserves the chemical signature of the early solar system
Asteroid Sample-Return Mission Arrives to Collect Primordial Rocks of the Solar System
As the OSIRIS-REx spacecraft arrives at its target asteroid Bennu, scientists on the ground prepare for a new bounty of planetary samples
New Discovery Stirs Up Signs of the Elusive Planet 9
A new minor planet called "the Goblin" is the second most distant known object in the solar system
Why Astronomers Want to Look for Earth's Mini-Moons
A new, powerful telescope in Chile will be able to detect tiny asteroid chunks circling our planet, which could be a goldmine for researchers
Why This Year's Perseid Meteor Shower Promises to Be Especially Dazzling
Thanks to the moon’s conspicuous absence, those looking up at peak viewing hours will see 60-70 shooting stars every hour
Is the Mysterious Planet Nine Just a Swarm of Asteroids?
Researchers investigate alternative explanations for wacky orbits of objects in our solar system
Oldest Lizard Fossil Shows These Reptiles Are The Ultimate Survivors
The 250-million-year-old specimen from the Alps suggests that lizards evolved before Earth's largest mass extinction—and thrived after it
How the Ancestors of Birds Survived the Dino-Killing Asteroid
Forest cover was crucial to avian evolution, a new study on the mass extinction event asserts
Is This Backwards-Orbiting Asteroid an Interstellar Visitor?
The space rock could have been captured from another star system during the early days of our solar system
An Asteroid Will Hurtle Past Earth Tonight in Close Flyby
While the space rock poses no danger to our planet, such a close pass is uncommon for asteroids of this size
An Unexpected Asteroid Buzzed by Earth Last Sunday
The space rock is one of the largest ever to come in such close proximity to our planet
70,000 Years Ago, a Passing Star Shook Up Our Solar System
The red dwarf likely came within one light-year of the sun, altering the course of some asteroids and comets
Asteroid-Sampling Spacecraft Captures Haunting View of Earth in Space
OSIRIS-REx tested its cameras by taking a gorgeous photo of its home planet
Unusual Interstellar Visitor Could Be Shard of Ice
A new study of ‘Oumuamua suggests it's water ice covered with 20 inches of dry carbon compounds
Three-Mile Wide Asteroid Will Zoom by Earth This December
But it will still be about 6.4 million miles away
The First Interstellar Object Seen Buzzing by Earth Is Pretty Weird
Roughly the size of a football field, the object is roughly 10 times longer than it is wide
Dinosaurs Might Be Alive Today If the Asteroid Had Hit Another Location
Only a fraction of the Earth’s surface contained the right amount of hydrocarbons to trigger the mass extinction, a new study says
Hubble Spots Strange Pair of Space Rocks in the Night Sky
The duo, dubbed 288P, may help scientists better understand asteroid evolution
How a Satellite Just Used Earth Like a Slingshot
On its way to study an asteroid for clues about the origins of life, OSIRIS-REx got a little boost from Earth's gravity
How Scientists Engineered Cassini’s Final Demise
After a rich scientific life, Cassini went out in a blaze, becoming one with the planet it had revolved around for so long
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