In Orbit You Have to Slow Down to Speed Up

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.
Amazon S3 on MSN

The Great Attractor: the cosmic force pulling our galaxy

A mysterious region known as the Great Attractor is pulling over 100,000 galaxies, including our own, at 600 km per second toward an unseen mass scientists still can’t identify.

The beginning of the universe: Cosmic inflation with standard particle physics repertoire

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...
The Cool Down on MSN

Scientists issue warning as powerful force causes enormous land mass to change location: 'We see movement'

"The area has actually become larger." Scientists issue warning as powerful force causes enormous land mass to change ...

Technique allows estimation of the force acting on each grain of sand in a dune

Brazilian researchers have developed a technique that estimates the force exerted on each grain of sand in a dune from images ...
Nature

Does gravity produce quantum weirdness? Proposal divides physicists

A theoretical study suggests that gravity could have quantum effects without itself being a quantum theory. Other researchers ...