In 1895, crowds flooded Coney Island to see America's first-ever looping coaster: the Flip Flap Railway. But its thrilling flip caused cases of severe whiplash, neck injury and even ejections. Today, coasters can pull off far more...

X Prize founder Peter Diamandis talks about how he helped Stephen Hawking fulfill his dream of going to space -- by flying together into the upper atmosphere and experiencing weightlessness at zero g.

This Quick Question explains the difference between gravity and g-force, and how you can experience zero-g in space even when it’s not zero gravity!

Gravity may be doing a lot more than just keeping us planted on the Earth. Scientists are learning that it’s also a key player in how we perceive things.

Hank acknowledges the amazing feat performed by Felix Baumgartner and answers many of your questions about why it is so amazing.

You might associate levitation with magic, but science has its own version.

Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David...

On July 27, 1962, two Russian cosmonauts boarded a Soviet airliner and experienced weightlessness without going to space.



This was the first time cosmonauts completed zero-G training on an airplane. The Tupelov Tu-104 was a...

Unpack how objects accelerate under Earth’s gravity with g ≈ 9.8 m/s². This lesson explores motion near Earth’s surface, signs of g, and common misconceptions—plus why astronauts feel weightless in orbit!

Though the Space Shuttle era has ended, NASA's Orion spacecraft represents the next leap in human space exploration, designed for missions to the Moon, Mars, and beyond. Supported by the powerful Space Launch System and innovations like...

Astronaut training for space missions: improve motor skills with visualization techniques for better performance.

Experience weightlessness and the thrill of space travel on the Zero GA Airbus A300. This specially adapted commercial plane takes passengers on a parabolic flight, simulating the feeling of zero gravity. Students from the ESA's...

The little-known story behind the Zambian Space Program.

Journey through a rollercoaster ride to find out which forces are at work to create this theme-park thrill. Physics - Forces - Learning Points. Rollercoasters do not have engines. Rollercoasters use forces. Electromagnets are used along...

While in orbit astronauts experience weightlessness. This is a state that presents problems to the humans that are exposed to it for even short periods and doctors are still learning about its effects on the body.

Explore the emerging world of space tourism where once only millionaires could venture into orbit, but soon, more accessible options may open up. Discover the experiences of the few who have visited the International Space Station and...

Explore the unique challenges and adaptations required for living in space aboard the International Space Station (ISS). Learn how astronauts manage everyday activities like eating, sleeping, and personal hygiene in a weightless...

Explore the impact of weightlessness on the human body through the eyes of astronauts and specialists. Discover how the absence of gravity affects muscle and bone health, blood circulation, and even the sense of balance. Learn about...

In this video, the teacher explains how adding multimedia to writing can make it clearer and more engaging. The teacher gives examples of how to select and incorporate different types of media, such as photos and videos, to help readers...

In this video, the teacher discusses the importance of including illustrations in writing to support comprehension. The teacher guides students through a practice activity where they choose the most helpful image and add it to the text....

Emily Calandrelli is the host and co-producer of FOX's Xploration Outer Space. She is a grad from MIT and WVU with degrees in aeronautics astronautics, technology and policy.

No. You do not feel your weight. You feel the force normal acting on you. This video shows why and demonstrates what you feel on an elevator.

Ever wanted to know how those vomit comet planes simulate weightlessness?

Mass is just a fancy sciency word for weight, right? Wrong! Although related, they aren't the same thing. You'd better find out exactly what the difference is so that you don't look foolish around the water cooler!