If you're not able to reach it, it might just be your connection.
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Past Response Times
If nasa.gov is up but it's not working for you, you can try one of the following tips below.
Refresh your browser
- Force a full refresh of your browser page by clicking Ctrl + F5 at the same time. This should work on Internet Explorer, Firefox and Chrome.
- Clear your browser temporary cache and cookie to make sure you have the recent version of nasa.gov.
Still not resolved? Try these advanced tips.
- Clear your local DNS cache to make sure you have the recent version from your ISP for nasa.gov. For Windows machine, you can do this by going to Start → Command Prompt → Type ipconfig /flushdns and then hit Enter.
- If you suspect your ISP is blocking your access, you may try an alternate DNS service, such as OpenDNS or Google DNS.
If nasa.gov is restricting your access or is blocking content from you, try a VPN or Virtual Private Network. A VPN will encrypt your connection and allow you to bypass most website blocks.
Get fast, secure and private internet access.
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