A total eclipse, a meteor shower, a rare conjunction between two planets — the sky offers moments like these only a few times a year, without warning. One email now and then, just before it happens.
Events you don't want to miss
An alert before every eclipse, meteor shower, or planetary conjunction visible to the naked eye — early enough for you to plan around it.
This week's news
A condensed roundup of what happened in astronomy and space exploration — discoveries, launches, striking images — without having to follow ten different sites.
New things on the site
New tools like the eclipse simulator, announced before anyone else hears about them.
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