
Signed in 1967 by the United States, Soviet Union and United Kingdom, the Outer Space Treaty bans any nation from owning the Moon — but created no court, police force or referee to enforce the rule. Six decades later, that gap is the central problem in space …
APOD: 2026 May 30 – Supermoon Versus Micromoon What is so micro about tonight's blue micromoon? Just after sunset, a full moon will appear slightly smaller and dimmer than usual. The reason is that the Moon's fully illuminated phase occurs within a s…


Artificial lights are blotting out the moon and stars, harming human health, and disrupting the natural world. Why is this a problem? And how can we stop it without sitting in the dark?