Tech execs running the commercial space race

Richard Branson's Virgin Galactic company is reeling from the loss of SpaceShipTwo, which crashed in California's Mojave desert on Friday, killing one of its pilots and seriously injuring the other. Branson, a billionaire ...

Cracker-sized satellites launch into orbit

(Phys.org) —After years of planning and several last-minute delays, about 100 Cornell-developed mini satellites demonstrating space flight at its simplest have launched into orbit and are now circling Earth.

Cleaning up space debris with sailing satellites

Since the birth of space flight in 1957, the number of man-made objects orbiting the Earth has grown every year. There are now more than 15,000 such objects larger than 10cm, at least those that we know of. Even very small ...

The experts behind Gaia's arrival at nothingness

With a final, modest, thruster burn yesterday afternoon, ESA's billion-star surveyor finalised its entry into orbit around 'L2', a virtual point far out in space. But how do you orbit nothing? And who can show you how to ...

For our future in space, China must aim further than the Moon

A famous picture in the English edition of Newton's "Principia" shows cannon balls being fired from the top of a mountain. If they go fast enough, their trajectory curves downward no more steeply than the Earth curves away ...

ESA's Cluster satellites in closest-ever 'dance in space'

(Phys.org) —Since 2000, the four identical satellites of the Cluster quartet have been probing Earth's magnetosphere in three dimensions. This week, two of them made their closest-ever approach, just 4 km, enabling valuable ...

Where do astronauts go when they need 'to go?'

Alan Shepard became the first American to fly in space on May 5, 1961. Although NASA engineers had put considerable planning into his mission, dubbed Freedom 7, noticeably missing from this extensive preparation was a way ...

page 8 from 12