Satellites and chunks of space junk come close to colliding on a regular basis. The situation could get dangerously out of ...

Twenty years ago today a magnetar’s epic tantrum made our planet ring like a bell from tens of thousands of light-years away ...

Kessler syndrome could make space exploration and the use of satellites dangerous, or even unfeasible, for many generations.

From a telescope network that spans much of the globe to a psychology study that spans 67 countries, here are the biggest ...

Earth briefly hosted a 33-foot object, 2024 PT5, as a mini-moon. Scientists suggest it might be lunar debris from an ancient ...

Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and ...

Testimony and several reports have exposed unidentified flying object (UFO) sightings across the country amid the national ...

The concept known as “Kessler Syndrome” was proposed nearly five decades ago. Experts weigh in on whether the space-based disaster scenario is already unfolding.

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

Where is the snowiest place on Earth? Snow enthusiasts have been discussing it for a long time, but there’s no consensus.