If a big asteroid is heading our way, how does NASA prepare for the oncoming disaster?

In the late 1700s, three major revolutions changed the course of history in the name of freedom and equality. The Age of Revolutions bore witness to this change.

This clip looks at the physical features, climate and culture of Portugal.

How could democratic societies claim to support equality while holding humans in bondage? The legacy of slavery tests the democratic ideal that everyone has an equal right to freedom and self-governance.

You might think you know Earth, but astronaut’s views from outer space help us see our world in a whole new light.

How does sand from the Sahara Desert travel around the world? Where does it help or harm other parts of the world?<br/>
Traveling Desert Sand, Part 1

"Salt of the Earth" is Episode 4 in the six-part series "Tides of Change", exploring amazing NASA ocean science to celebrate Earth Science Week 2009.



Salinity plays a major role in how ocean waters circulate around the globe....

Data cable will link New York City to the city of Bude in Britain and the city of Bilbao in Spain, according to Alphabet Inc.

In this episode,we unpack the need and value of test flights with Jon Cowart, as well as dig into the recent, successful, second test of Orion’s Launch Abort System with Carlos Garcia.

Goddard Space Flight Center is the home of a state-of-the-art supercomputing facility called the NASA Center for Climate Simulation (NCCS) that is capable of running highly complex models to help scientists better understand Earth's...

The Jersey Shore shark attacks of 1916 were so unexpected, sudden, and violent that they stuck in the public's mind even up to the point that the movie hit theaters. The "Matawan man-eater," as the shark was called, took down at least...

This program is designed to give students a clear understanding of the historical events of various land acquisitions that led to the creation of the United States as it exists today. Archival footage combined with lively maps and...

What is a savannah? Where do you find buttes? How are mountains formed? Friendly explorer Seymour Terrain takes viewers on an exciting adventure to every corner of the globe to answer these questions and investigate the Earth's unique...

There's no denying that the movie Jaws definitely made some beach-goers scared to go into the water. However, the story that inspired Jaws was what really had people scared to have a day at the beach. The Jersey Shore shark attacks of...

RALEIGH, NC - APRIL 10: Jonathan Trappe attempts the world's first day/night cluster balloon flight in addition to attempting to break known endurance records on April 10, 2010 in Raleigh, North Carolina. Taking off at 5.35pm on Saturday...

This clip introduces the Nation of France.

This listening section 1 and 2 is for IELTS practice. This is Exam 1 of our first exam book. This video is part one of a series that gives questions and answers to student practice section questions. It is important to practice a lot...

The monsoon is a seasonal rain and wind pattern that occurs over South Asia (among other places). Through NASA satellites and models we can see the monsoon patterns like never before. Monsoon rains provide important...

Eco TrailBlazer - James Levelle

Frenchman Jean-Jacques Savin, 71, is travelling across the Atlantic Ocean in a large, orange barrel.

When floods, droughts, and other natural disasters hit isolated and poor regions of the world, it can have devastating impacts on the local price of food. NASA Goddard research scientist Molly Brown is using satellite data to...

Atmospheric scientist Róisín Commane and Principal Investigator Steven Wofsy both of Harvard University sent back a video postcard from the Atlantic legs of the Atmospheric Tomography, or ATom, mission. The science team left...

For the first time, a NASA satellite has quantified in three dimensions how much dust makes the trans-Atlantic journey from the Sahara Desert to the Amazon rainforest. Among this dust is phosphorus, an essential nutrient that acts...

Scientists have discovered a massive freshwater aquifer hidden beneath the Atlantic Ocean.