The Vera Rubin Observatory sits atop the mountain Cerro Pachón in northern Chile.

Some observatories that used to be dark and remote are now adjacent to bright urban centers. And sending all telescopes into ...

A newly discovered interstellar comet is racing through our solar system, and the first telescope to capture it may have been ...

Harvard paper raises flag that comet‑like 3I/ATLAS might be alien tech. Most experts disagree calling it a natural visitor.

Scientists have issued a concerning update on a mystery interstellar object travelling through our solar system.

As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

Derek Wallentinsen stood atop Inscription Rock in El Morro National Monument on the night of May 23, 2019, taking photographs of the star-filled sky to document the darkness. A ranger at the time, he ...

"Some satellites were detected emitting in bands where no signals are supposed to be present at all, such as the 703 ...

The comet 3I/ATLAS was discovered just as the Vera C. Rubin Observatory was gearing up to carry out its initial observations of the heavens, dovetailing with the LSST's expected discovery of many more ...

Once deployed, NISAR will be the most powerful Earth observation satellite in space, producing data and high-resolution ...