Yes, the classic physics question is visited again. A Moment of Science learns about mass and gravity.
The physics of driving and falling (we hope this never happens to you!)
What happens to helium balloons in a car when the car stops suddenly?
Why can't we place satellites directly above houses that are using the signal? Why does speed determine the placement of satellites? Find out now!
Have you ever wondered what the highest mountain on earth was? Well, it is Everest. But, what about mountains on other planets?
Want proof the earth rotates on its axis every 24 hours?
What water craft relies on the horizontal push from the downward pull of gravity to move? Find out on this Moment of Science.
If you've been to a cave, you might think that it's cold underground. Nothing could be further from the truth. Learn more on this Moment of Science.
Around New Guinea, there's a watery hill almost two hundred and fifty feet high. This isn't a hill on the ocean floor, but a hill on the ocean's surface.
NASA is planning to send astronauts back to the moon for long missions. How are the astronauts going to stay in shape in zero or low gravity?