Before we dive in, let’s do a quick review to appreciate what it actually means for an object to be in orbit. As Isaac Newton’s famous first law of motion states, an object in motion will stay in ...

NASA confirmed this week that the rock discovered by the University of Hawaii is the small asteroid 2025 PN7, which astronomers have confirmed as a quasi-moon- a rare type of celestial body ...

A newly identified “quasi-moon” is being described as a second moon in Earth’s orbit, and it could stay there for decades.

The Chinese weather satellite Fengyun 1C was deliberately destroyed by China in an anti-satellite weapon test in 2007 and peppered low-Earth orbit with an estimated 3,000 pieces of shrapnel. In 2012, ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a ...