Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth ...

Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever found on Earth.Sotheby's in New York will be auctioning what's known as NWA 16788 on Wednesday ...

A massive Martian meteorite is set to be auctioned at Sotheby's in New York. The meteorite, named NWA 16788, weighs 54 pounds ...

The ratio of lead and potassium-argon isotopes in this block of mineral components including olivine, pyroxene, feldspar and glass gives it an age of roughly 4.57 billion years, which makes it ...

Both meteorites contain olivine and pyroxene, along with smaller amounts of albitic plagioclase and oldhamite. According to the research team, this matches predictions about Mercury’s surface makeup.

After a suspected meteor fell in metro Atlanta on Thursday afternoon, meteorite hunters are searching for fragments. But how do you know if you found a meteorite or just a rock?

Remnants of a cosmic 'fireball' object witnessed soaring across Georgia may have broken off and plummeted through the roof of a home south of Atlanta.

The fiery ball that streaked across the South Carolina sky Thursday could have been a meteorite, according to the National Weather Service.

People from North Florida to North Carolina reported a bright streak and fireball across the sky Thursday. Here's what to know.

A possible meteorite was sighted across multiple states in the southeastern U.S. on June 26. The event coincided with reports of an "earthquake," later identified as a sonic boom. A Henry County, ...

A fiery ball streaked across the sky in South Carolina. First indications are it was a meteorite.

A fireball flashed across the sky on Thursday afternoon in a spectacle that was visible to residents in several states, including Georgians.