Second alignment plane of solar system discovered

A study of comet motions indicates that the solar system has a second alignment plane. Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point where they are farthest from ...

Solar plane ends first leg of intercontinental bid

The Swiss sun-powered aircraft Solar Impulse landed safely in Madrid early Friday at the end of the first leg of its attempt at an intercontinental flight without using a drop of fuel.

Huge solar powered plane takes to the air (w/ Video)

( -- A huge airplane using solar cells as its only power source is being tested in Switzerland. In its first successful test flight last December, the plane flew only 350 meters at a height of just one meter above ...

page 1 from 10