You know L1 and L2 and polar and MEO. L3 and L4 and halo and GEO. But do you recall, the most famous orbit of all?

Earth's rotation on its axis creates the illusion of the sun rising in the east and setting in the west. This rotation, ...

Heat from tidal forces remelted the Moon’s crust, says new reesarch, which may explain why the Moon is older than some ...

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

The International Space Station continues to act as humanity’s outpost in low-Earth orbit, a role that began at the turn of ...

The Earth and moon have been locked in a gravitational dance for billions of years. Each day, as the Earth turns, the moon ...

Pettit has previously given photography masterclasses from space, and recently gave an interview with NASA while aboard the ...

Low Earth orbit is densely packed, with bands such as the one for satellite internet service Starlink from commercial space company SpaceX - at an altitude of 540-570 km (336-354 miles).

Over 14,000 satellites, 120 million bits of debris in key orbits Tracking, managing clutter crucial to safe orbiting, UN says Panel calls for greater international cooperation, data sharing ...

Jose G. Riera St. Augustine, Florida You are correct, many long-exposure astrophotos span multiple nights. I typically stay on a target for months at a time, especially when I'm living in a cloudy ...

Twenty years ago today a magnetar’s epic tantrum made our planet ring like a bell from tens of thousands of light-years away ...

The rapid surge in satellites and growing debris in low Earth orbit (LEO) is pushing humanity toward a potential space catastrophe. Without international cooperation to manage orbital congestion ...