The moon, also known as the cold moon, will be the closest it has been to Earth all month, making it appear bigger and ...

The Geminid meteor shower peaked overnight on Dec. 13-14, with the best viewing between 10 p.m. and 4 a.m. under moonless ...

Low Earth orbit is on track to become crowded with more than half a million satellites by 2040, and that surge will not just ...

Just yesterday (Dec. 15), the Green River levee was breached, raising the specter of flash flooding in Tukwila, south of ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Almost every image that will be taken by future space observatories in low-Earth orbit could be tainted due to light contamination from satellites. That is according to a new analysis from researchers ...

Exactly 10 years since he blasted into space, Tim Peake reveals the lessons he learned in orbit - and what the future holds ...

Retired Chinese official Li Chuanliang fled to the U.S. seeking asylum, fearing persecution from the Chinese government. He was warned not to return to China after being accused of corruption.

Image number 100,000, which was captured on Oct. 7, "shows mesas and dunes within Syrtis Major, a region about 50 miles (80 ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.