In a cutting-edge milestone for orbital innovation ... the X-37B has been orbiting the Earth in a highly elliptical path, reaching well beyond the altitude at which satellites normally stay ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Bad timing! While Saturn will pass through Earth’s orbital plane again in mid-November, by that time, Saturn’s axial tilt will have tipped the rings a bit from our vantage point, so we’ll ...

Above the Earth’s surface there are many orbital planes and no pesky oceans to prevent millimeter and centimeter-sized cars from being spaced out there. This gives a rough idea of just how ...

Some high-density airspace regions could have as high as a 26% of being affected by an uncontrolled rocket body reentry.

Year after year, humanity is setting new records for the amount of stuff we're sending into the Earth's orbit, spurred mostly ...

The moon's orbit is tilted 5 degrees relative to the plane of Earth's orbit around the sun. Over its 27.3-day period, it bobs north and south of Earth's orbital plane. When it happens to cross ...