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In a first, astronomers map comets around another star



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Comet Siding Spring whizzes past Mars

A comet the size of a small mountain whizzed past Mars on Sunday, dazzling space enthusiasts with the once‑in‑a-million‑years encounter.

Google executive sets new stratosphere skydive world record

Google executive sets new stratosphere skydive world record

Europe postpones launch of first 'space plane'

Europe said Friday it was postponing the launch next month of its first‑ever "space plane" to give scientists time to finetune the...

Eight months on 'Hawaiian Mars' tests rigors of exploration

Six people have sealed themselves inside a white vinyl dome in Hawaii to embark on an eight‑month test of how their mental health might fare during a...

China launches experimental moon orbiter

China launched an experimental spacecraft Friday to fly around the moon and back to Earth in preparation for the country's first unmanned return trip...

Earth hit by double asteroids 458 million years ago

Some 458 million years ago, Earth was whacked in a double asteroid strike, leaving craters visible in Sweden today, space scientists reported on Thursday....

'Eau de comet' is a bit of a stinker

Rotten eggs, horse pee, alcohol and bitter almonds: this is the bouquet of odours you would smell if a comet in deep space could be brought back to Earth,...

Partial solar eclipse over North America Thursday

A partial solar eclipse will be viewable across much of North America on Thursday, but experts urged would‑be sky watchers to use the proper gear to...

3rd spacewalk in 3 weeks at space station

Spacewalking astronauts doubled as trash men Wednesday, heaving an old science experiment and two antennas overboard at the International Space Station....