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How to Measure the Power of Alien Civilizations Using the Kardashev Scale

We have yet to make contact with an extraterrestrial civilization. If they're out there — and surely they must be — we haven't the foggiest idea what …

Andromeda Galaxy

Astronomy Picture of the Day Archive

<b>Authors & editors:</b> Robert Nemiroff (MTU) and Jerry Bonnell (UMCP) <b><br>NASA Technical Rep.:</b> Phillip Newman. Specific rights apply. <br>NASA Web Privacy Policy …

Rebooted Kepler spacecraft hauls in the planets

Fresh worlds found by K2 mission push beyond original discoveries.<p>In the second phase of its life as a planet hunter, NASA’s Kepler spacecraft is …

Finally! Science proves that Canadians are way more polite than Americans.

It is a generally assumed principle, much like the sun rising in the east or bears hibernating in the winter, that Canadians are an unfailingly polite people. They don't like to argue; they apologize for mistakes that others make.<p>We accept that Canadians are exceedingly polite — and now we have …

These Apollo Images Show the Moon Missions Like You've Never Seen

Spacecraft clocked fastest launch speed, recorded first video of volcanic eruption off Earth and carries the ashes of the man who discovered the dwarf planet<p>• New Horizons clocked the fastest launch ever recorded when it blasted off in January 2006, exceeding 36,000 miles per hour. The spacecraft …

Solar System