Twelve people have landed on the moon As of 2025, only twelve people have ever set foot on the moon—all of them American astronauts from NASA’s Apollo missions between 1969 and 1972. It took six ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know ...

Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

From fiery 'blood moons' to ancient legends, discover the surprising science and history behind lunar eclipses.

1. The ISS orbits the Earth at an altitude of around 400 kilometres, completing one rotation every 93 minutes. This allows it to experience 16 sunrises and sunsets every day ...