.us is the Internet country code top-level domain for the United States. It was established in early 1985. Registrants domains must be U.S. citizens, residents, or organizations, or a foreign entity with a presence in the United States. Most registrants in the U.S. have registered,.net,.org and other gTLDs, instead, which has primarily been used by state and local governments, even though private entities may also domains.

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Dogs really do know when we're stressed. They can smell it on us.

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The Earth satellite project bringing Chinese, US and Russian space scientists together