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The Complex Beauty of Solar System Navigation

Last night I drove from a small village in the Cotswolds (UK) back to my home in Norfolk. The journey took a good three hours, sticking to the national speed limit at all times (of course) and, ignoring the rather torturous windy English lanes and city bypasses, I had to head in a general easterly d Full story

Spaceship's breakup on re-entry recorded

A huge, unmanned spacecraft met an intentionally fiery demise Tuesday, but thanks to a special onboard recorder, the cargo ship beamed a steady narration of its final descent to Earth. Full story

SETI alien search zeroes in on new planets

It's been a busy time in the search for extraterrestrial intelligence, an endeavor nicknamed SETI that began 50 years ago. NASA's planet-hunting Kepler Telescope is returning a rich harvest of potential targets. So far, scientists have found 1,253 stars that likely have planets in tow, including 55 Full story

50 Billion Alien Planets May Inhabit Our Milky Way Galaxy

Our galaxy could be home to a whopping 50 billion planets, say scientists working on NASA's Kepler planet-hunting telescope. Full story

Cosmic census finds crowd of planets in our galaxy

Scientists have estimated the first cosmic census of planets in our galaxy and the numbers are astronomical: at least 50 billion planets in the Milky Way. Full story

Huge European Cargo Ship Launches Toward Space Station

A massive European cargo ship soared into the evening sky off the northeast coast of South America today, kicking off a weeklong trip to deliver tons of supplies to the International Space Station. Full story

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Related Photos

This supernova, discovered in 1604 by Johannes Kepler, belongs to an important class of objects that are used to measure the rate of expansion of the universe, known as Type 1a supernovae.

ISS028-E-008860 --- Backdropped by Earth's horizon and the blackness of space, European Space Agency's "Johannes Kepler" Automated Transfer Vehicle-2 (ATV-2) begins its relative separation from the International Space Station. The ATV-2 undocked from the aft port of the Zvezda Service Module at 10

NASA image
NASA image

Along with good targets to scan, the Kepler survey could help the search for E.T. by identifying types of stars more likely to host planets.

Milky Way galaxy
Milky Way galaxy

FILE - This 1986 file picture shows part of the Milky Way galaxy as seen from Australia. Scientists have estimated the first cosmic census of planets in our galaxy and the numbers are astronomical: at least 50 billion planets in the Milky Way. At least 500 million of those planets are in the not-too