Three basic principles govern the course we recommend. The first is the “flexible path” approach that the Augustine commission advocated and that President Obama and Congress accepted.

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by 刘貂儿 | 2013-07-17

MANY a youngster, Babbage included, has dreamed of going into space. But becoming an astronaut is a hard slog. Sandy Antunes suggests a less daunting proxy. An astrophysicist and programmer with decades of NASA experience, Dr Antunes is a proponent of pic

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by 逸文 | 2013-04-24

Giant, spinning space-stations that generate their own artificial gravity have been envisaged for decades. So, why has no one built one?

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by 逸文 | 2013-04-24

Astronomers have discovered an interesting exoplanet in the constellation of Cancer near star 55 Cancri.

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by 逸文 | 2013-04-24

Astronomers at the International Astronomical Union meeting announced the discovery of the first transiting circumbinary multi-planet system: two planets orbiting around a pair of stars.

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by 逸文 | 2013-04-24

On Earth, boiling water creates thousands of tiny vapor bubbles. In space, though, it produces one giant undulating bubble.

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