One step closer: Scientists help explain scarcity of anti-matter

A collaboration with major participation by physicists at the University of Wisconsin-Madison has made a precise measurement of elusive, nearly massless particles, and obtained a crucial hint as to why the universe is dominated ...

Tiny star unleashes gargantuan beam of matter, anti-matter

Astronomers have imaged a beam of matter and antimatter that is 40 trillion miles long with NASA's Chandra X-ray Observatory. The record-breaking beam is powered by a pulsar, a rapidly rotating collapsed star with a strong ...

Hubble: a time machine that revolutionized astronomy

The Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.

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