The three men had found one of the largest amounts of gold ever discovered lying on the surface of the Earth.

VOA: special.2009.02.04

One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

The researchers say the report offers evidence that one or more comets were responsible for a sudden cooling period on Earth's surface.

VOA: special.2009.01.20

One hundred forty meters from the surface, the astronauts took control of the lander from the computer.

VOA: special.2009.07.15

Carlsbad Caverns National Park contains more than one hundred caves below the surface of the desert.

VOA: special.2009.12.07

When this happens, one plate moves past the other, suddenly causing the Earth's surface to split.

VOA: special.2010.01.12

Experts say Aquarius will gather as much information about sea surface salinity as has been collected by ships over the past one hundred twenty-five years.

VOA: special.2011.06.22

One work shows a large embroidered white magnolia flower sewn onto a painted surface.

VOA: special.2009.11.04

River banks often also have clay about one meter or less under the surface.

VOA: special.2009.09.14

The American spacecraft was just one hundred ten kilometers from its surface.

VOA: special.2009.07.08

One involves landing on the surface of the planet Mercury.

VOA: special.2010.05.25

They show surface formations as small as one hundred meters.

VOA: special.2010.07.28

The very top of the wire drawing represents the only part of the ocean landscape that can be seen on the surface of the water: It is Bouvet Island, one of the most isolated islands in the world.

VOA: special.2009.05.06

Even civil rights leader Reverend Jesse Jackson admits that on the surface, Gary,Indiana seems an unlikely location for a tribute to one of the world's most popular musicians.

VOA: standard.2009.07.11

He favors a project to send people to Mars, but he also wants to see American astronauts return to the one place he never reached, the surface of the moon.

VOA: standard.2010.04.04