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

Sometimes science needs to go big ... increments — a gap that was eventually stretched to every 10 years. Incredibly, the experiment is still running — and now, researchers are stretching ...

Sometimes science needs to go big. From telescopes spanning the globe to particle accelerators that would take over 24 hours to walk around, these experiments are among the largest ever conducted.