Nina Sen

Mars has a terrain very similar to Earth with valleys, mountains and craters.

There are three main pyramids in the Giza region and one sits near the Great Sphinx.

Apollo 1 was to be the first manned mission of the moon landing program, designed to test out the setup by orbiting Earth.

With the sun rising behind the photographer, the Belt of Venus is the pinkish streak caused by the atmosphere reflecting light from the setting or rising sun.

The planets are drawn to scale with accurate orbital patterns.

A giant panda gave birth to twin cubs at the Wolong Giant Panda Wild Breeding Center in southwest China recently.

This highly - caffeinated drink is a dark tea made from the roasted leaves of the Yaupon holly.

In an experiment, six percent of drivers intentionally swerved to hit animals.

Six to eight astronauts are expected to go on the trip which will take nearly 2 and a half years.

The worms are only 3-4 centimeters in length and have no mechanisms to drill or break through bone.

The 84-year-old bridge connected three communities in West Virginia but its condition had been rapidly deteriorating.

The virus is responsible for outbreaks of fatal hemorrhage fever throughout Africa.

A creature known has the Iceland Worm Monster has been said to be spotted in the lake since the early 1300s.

The yolk sac provides nourishment in the early stages of development in most mammals, fish and birds.

Whale sharks are known to be the largest of their kind and can grow up to 40 feet and weigh unto 15 tons.

Amphipods resemble shrimp and are an important source of food for most fish, marine birds and even larger cetaceans.

Toronto teens Mathew Ho and Asad Muhammad used a water balloon and a Styrofoam spacecraft to send the plastic astronaut into space for 97 minutes.

The thread, which has not been dyed, is the silk from the golden orb spider.

The Conservation International's Rapid Assessment Program observed this and several other species in Suriname.

This CNN report shows how the U.S. military is planning to use dolphins to mark or locate underwater mines in the Strait of Hormuz.

Polar bears live within the Arctic Circle and surrounding areas.

Mountain gorillas are an endangered species and there are about 700 left in the world.