Felix Schöfbänker, who used a telescope built to track and photograph satellites, observed phenomena that were “only ...

Beja Air Base is home to a new optical telescope, recognised as one of the most sophisticated in the world.

Artificial star to aid in creating new stellar brightness catalogs. The Landolt mission plans to launch an artificial light ...

NASA plans to launch an artificial star by 2029 to help scientists calibrate telescopes and improve measurements of stellar ...

Elon Musk's Starlink satellites aren't just physically junking up Earth's orbit, but are actually interfering with radio ...

Astronomers will soon begin a search of 2,800 galaxies for signs of advanced alien civilizations using a radio telescope in ...

Astronomers observed a close pair of black holes dancing around one another using the Hubble Space Telescope and Chandra ...

Here on Earth, it might not matter if your wristwatch runs a few seconds slow. But crucial spacecraft functions need accuracy ...

Astronomers in Canada used the James Webb Space Telescope — and a third time-and-space-bending galaxy cluster — to capture an ...

Astronomers have been worried about congestion in orbit ever since SpaceX began launching batches of satellites for the ...

Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for ...

NASA's Hubble Space Telescope has captured a breathtaking image of the spiral galaxy NGC 3430, situated 100 million light-years from Earth in the Leo Minor constellation. Scientists, using data from ...