Setting sights on Mars — a half-century ago

New space goal — Mars: The Space Sciences Board has recommended that the United States make Mars, not the moon, its main concern in space. But this is not an admission that the Russians have all but won the race to the moon.... The board’s report ... Read more »

Galaxies may be aligned across 1 billion light-years

The cores of several distant galaxies, spread out across roughly 1 billion light-years, appear to mysteriously align with one another. If confirmed, the new observations could be a hint of some unknown mechanism that shapes the largest structures in the universe.

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