Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

One of the most important satellite launches of all time was that of Sputnik. When the Soviet satellite became the first man-made satellite to orbit Earth on October 4, 1957, space must have seemed ...

Satellite constellations are a relatively new threat to astronomy; prior to the drop in launch costs driven by SpaceX’s ...

Even after the successful fourth launch of Nuri, the challenge toward space continues. On the 2nd of next month, Korea’s ...

Have you looked up at the night sky recently and seen a streak of light flash across that black void between the stars? It might have been a plane or an asteroid, but it also may have been one of ...

A Long March 6A rocket lifts off from Taiyuan, Jan. 23, 2025, carrying 18 Qianfan satellites into polar orbit. Credit: CASC HELSINKI — China launched the fourth batch of 18 satellites for the Thousand ...

SpaceX’s Starlink orbital internet satellites are falling out of low Earth orbit at an increasingly alarming rate, with one to two satellites now reentering Earth’s atmosphere every single day.

An aurora seen from the ISS. Geomagnetic storms that create auroral displays can also affect satellite orbits and, with them, collision avoidance efforts. Credit: NASA WASHINGTON — A pair of major ...