Gravity is the force that holds us down on Earth and what keeps the planets spinning around the Sun. Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone ...

Experiencing low gravity ... for 1st time (exclusive video) Read more: How do you create lunar gravity in a plane? A veteran zero-G pilot explains Tereza is a London-based science and technology ...

No scientist yet knows just what gravity is, and until someone does know it cannot be overcome. Contact us at [email protected] ...

Lots of people, including Einstein (see above), talk about gravity, the restraining force ... “I think the time has come,” he says, “when I have developed thoughts which may help millions ...

So, where does the arrow of time come from? A growing group of physicists believe that it originates in the force of gravity itself. But to get there requires a radical reshaping of Einstein’s ...

Solving Einstein's equations by using quantities that apply across all space and time coordinates could enable physicists to eventually find their 'white whale': a quantum theory of gravity.

Gravity holds the Earth and the other planets in their orbits around the Sun. MOVIE VOICEOVER Once upon a time, long before ... aligned content into your science lessons, Horrible Science might ...

Quantum mechanics rules subatomic particles, while general relativity explains gravity’s role in shaping space and time. A complete theory of quantum gravity remains one of the biggest ...

A new theory suggests that the unification between quantum physics and general relativity has eluded scientists for 100 years because huge "fluctuations" in space and time mean that gravity won't ...