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

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of ...

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

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

Recent testimony and several reports have exposed possible UFO sightings across the country amid national attention on ...

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.

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

What to know about the growing threat of space debris as satellites multiply and experts warn of potential orbital disaster.

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

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