A polarized-light microscopy image (in background) of a section from the Allende meteorite is one-thousandth of a millimeter thin.

The Oldest Material in the Smithsonian Institution Came From Outer Space

Decades after the Allende Meteorite plunged to Earth, scientists still mine its fragments for clues to the cosmos

A Geminid meteor shower in 2012.

How to Spot This Year’s Spectacular Geminids Meteor Shower

A beautiful celestial display is due to take place starting on the night of December 13

Massive Impact Crater Found Under Greenland's Ice

Radar scans and sediment samples indicate a large meteorite blasted through the ice sheet between 3 million and 12,000 years ago

A view of the Perseid meteor shower over Northern Ireland in 2017.

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

Noctilucent clouds.

Climate Change Is Responsible for These Rare High-Latitude Clouds

A study shows that methane emissions are responsible for the increase of noctilucent clouds, which glow eerily at night

Marc Fries examines a magnetic board looking for iron particles recovered from the sea floor.

A Research Ship Is Hunting Meteorite Fragments Off the Coast of Washington

The research ship E/V Nautilus is combing through samples and sediment hoping to recover the first space rock from the ocean floor

Artist's concept of a near-Earth object.

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

A piece of the Almahata Sitta in Sudan

Diamonds Trapped in Strange Meteorite Came From Solar System's Earliest Planets

Impurities in the diamonds could only have formed within a planet the size of Mercury or Mars

How to Catch a Glimpse of This Weekend's Lyrid Meteor Shower

Conditions are expected to be favorable, and experts say the shower might produce as many as 18 meteors every hour

Seismic shockwaves after a meteorite’s collision could affect systems all over the planet.

The Meteorite That Killed the Dinosaurs May Have Also Triggered Underwater Volcanoes

In a new study, scientists peered into 100 million years of seafloor history to find something strange

Astronomer Todd Slisher unfolds tin-foil to reveal a piece of stony-iron meteorite during a press conference, Friday, January 19, 2018, at the Longway Planetarium in Flint, Michigan.

Meteorite Hunters Recover Fragments of Fireball That Exploded Over Michigan

Amateurs and professionals comb snowy landscapes for shards of the exploded meteor

Meteor Explodes With a Brilliant Flash Over Michigan

The blast caused shook the ground and likely scattered small hunks of space rock in the region

A Quadrantid fireball

Quadrantid Meteor Shower Kicks Off the New Year

The annual show is known for producing long-lasting, bright fireballs from asteroid 2003 EH1

Little Redfish Lake at night with the Sawtooth Mountains in the background.

The U.S. Now Has Its First Dark Sky Reserve

Geminid meteor shower streaks across skies in December of 2013.

Geminid Meteor Shower Will Blaze Across Skies

Will you stay up to catch the show?

A Leonid meteor in 2009

Leonid Meteor Shower Will Streak Through Skies This Weekend

Expect 10 to 25 shooting stars per hour as the planet passes through the debris of comet Tempel-Tuttle

An Orionid meteor

Look Up: The Orionid Meteor Shower Will Streak Through Skies This Weekend

Bits of Halley's Comet are raining down on Earth, and the show will peak in the wee hours of Saturday morning

A meteor from the Perseids is seen falling over the Very Large Telescope array in Chile.

Catch the Perseid Meteor Shower's Fiery Show

Though the moon will partially obscure the normally dazzling sight, the shower's peak is still worth a peek

Geek Out to This Asteroid Day Livestream

For 24 hours a YouTube channel will host discussions on space rocks and their potential impacts on Earth

Jupiter Could Be the Solar System's Oldest Resident

The early former may have set up just the right conditions for Earth to take shape

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