NASA ISS livestream switches to a signal-loss slate after a bright object crosses the frame, sparking UFO questions online as NASA cites routine automated handoffs.

It wasn’t just the election lighting up the night sky on Tuesday — voters from Connecticut to North Carolina were left scratching their heads after spotting a glowing, jellyfish-shaped light drifting ...

DeGrasse Tyson, the world-renowned astrophysicist, spoke in front of 4,000 people at a summit in Erie in Oct. 29.

NASA's twin ESCAPADE spacecraft launched aboard Blue Origin's New Glenn rocket Thursday afternoon from Cape Canaveral, beginning their journey to Mars with arrival expected in 2027.

A European rocket launch created a glowing spiral in New Brunswick’s evening sky Tuesday, but astronomers identified it as a routine satellite mission.

A NASA livestream from the International Space Station ignited fresh online speculation this week after viewers noticed ...

A Falcon 9 rocket topped with an ocean-observing satellite launched into space Sunday night from California's central coast.

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

It looks like something unnatural was in the sky in the months and years before Sputnik, according to one researcher.

The Sentinel-6B satellite arrives in California for launch, ready to measure sea level with unprecedented climate accuracy.