Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out orbits in complex three-body systems, like those in cis-lunar space, which is ...

Cornell University researchers have demonstrated that acoustic sound waves can be used to control the motion of an electron as it orbits a lattice defect in a diamond, a technique that can potentially ...

I booked a Condor Airlines flight from Portland to Frankfurt through Orbitz for my family. Orbitz’s website explicitly listed the fare as Economy Classic, which included one free 70-pound checked bag ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

The far side of the moon and distant Earth, imaged by the 2014 Chang’e-5 T1 mission service module. Credit: Chinese Academy of Sciences HELSINKI — Two Chinese spacecraft appear to have successfully ...

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

Patrick Bruce booked flights through Orbitz with ‘free’ checked bags, only to learn that the airline’s ticket includes no such perk. Who’s responsible for his $540 baggage-fee shock? Q. I booked a ...