This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Best known for its loyalty program Orbitz Rewards, Orbitz.com is the only travel site where millions of customers earn Orbucks ($1 Orbuck = $1 USD) the moment they book flights, hotels and packages, ...

It was a cold, gray Tuesday morning, with the campus blanketed in snow, when I first set foot in the Lord Hall gallery to cover its latest art exhibition. Despite having opened not long before I ...

Orbitz.com is making a significant play for a bigger role in its customers’ journeys beyond simply booking a flight or hotel, with mobile loyalty playing a crucial role in bringing this vision ...

However, it was not until Kepler's observations that the planets followed elliptical orbits around the sun (rather than circular orbits) that astronomical models matched observations of the ...