President Trump has just announced plans to create a new military Space Force, increasing the prospect of a new theatre of war. How might war in space be fought?

What are the outer rings of a dying star? How are Supernovas created?<br/>
The Milky Way, Our Galaxy, Part 2

This video looks at the characteristics of the outer planets, dwarf planets, moons and comets.

Perseid meteor showers are caused by the debris field of the Comet Swift-Tuttle, which was first spotted in 1864.

In this live-action program viewers will learn how to prepare a microscope slide properly. Students will come to understand that when making scientific observations, your methods and observations must be clear to other scientists, so it...

How are particles closer to the sun compared to particles farther away? What are terrestrials? Mercury, The Solar System Historian, Part 1

Landslides occur when material like debris, rock, and soil become dislodged from the earth and slide downward at speeds that can approach 100 miles per hour. David Montgomery at the University of Washington studies past and present...

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it? Perhaps help protect some vulnerable populations of wildlife from marine garbage in coastal...

Researchers theorize that, if nothing is done about the millions of pieces of space junk orbiting Earth, our planet will develop rings made of junk.

The cycle of water from the air to the ground to the oceans and back to the air never ends. Water is found in the air, in the ground, in rivers and oceans, and it's found as gas, liquid, and solid. As it moves though phases and locations...

A feature from NASA's Ames Research Center in Silicon Valley originally posted on May 2, 2017.

Over a thousand tornadoes happen every year in the United States but only few dozen take lives. Most tornadoes are brief and weak but the tornadoes that are large and powerful can wipe homes off their foundations. Tornadoes only come...

Remnants of the Chinese Long March 5B rocket that was launched last month have crashed back down to Earth and into the Indian Ocean.

Two Australia surfers are gaining the attention from investors around the world for their invention of a device that helps clean the ocean, according to Australia's ABC News. ABC News reports that Andrew Turton and Pete Ceglinski, who...

Over a thousand tornadoes happen every year in the United States but only few dozen take lives. Most tornadoes are brief and weak but the tornadoes that are large and powerful can wipe homes off their foundations. Tornadoes only come...