A new experiment to understand dark matter

Is dark matter a source of a yet unknown force in addition to gravity? The mysterious dark matter is little understood and trying to understand its properties is an important challenge in modern physics and astrophysics. ...

Image: Taking it to the Supermax

What better way to test supersonic parachutes than strapping one to a rocket? One experiment is going to do just that on Thursday's Maxus-9 suborbital rocket.

Prototype gravitational wave spacecraft sets new free fall record

A key component of a future gravitational wave observatory passed a series of tests with flying colors, while coming closer to experiencing true free fall than any other human-made object ever has. At the heart of the experiment ...

Explainer: What is microgravity?

It's easy to assume that astronauts float in space because they are far away from the Earth's gravitational force. But look at the moon. It is much further away than the International Space Station, yet it orbits around the ...

Europe to launch satellites for Earth, Einstein

Europe is set to launch two satellites on Friday with very important missions: one will track environmental damage to Earth, while the other will test a mainstay of physics theory.

Daredevil's sky jump provides global moment of awe

(AP)—Felix Baumgartner stood poised in the open hatch of a capsule suspended above Earth, wondering if he would make it back alive. Twenty four miles (38 kilometers) below him, millions of people were watching on the Internet ...

Skydiver cancels try at supersonic jump

Extreme athlete Felix Baumgartner canceled his planned death-defying 23-mile (37.01-kilometer) free fall Tuesday because of high winds, the second time this week he was forced to postpone his quest to be the first supersonic ...

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