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October 21, 2015

Scientists ‘confident’ comet lander will wake up again

Scientists are confident that the Philae comet probe, which went into ‘sleep mode’ on Saturday, will ‘wake up’ again when the comet nears the sun.

October 21, 2015

Scientists face agonizing wait on comet probe’s future

After making history Wednesday by landing the first probe on the surface of a comet, European Space Agency scientists now face an agonizing wait to find out whether the Philae lander will continue sending data from 67P/Churyumov-Gerasimenko.

October 21, 2015

'Ghost light' of long-dead stars haunt NASA's Hubble Telescope

NASA is adding a cosmic twist to Halloween with an unexpected find by the Hubble Space Telescope: eerie "ghost light" from the remains of a multi-galaxy massacre.

October 21, 2015

Saturn's 'Death Star' moon Mimas is weird inside

There's something strange going on below the surface of Saturn's Death Star-looking moon Mimas, a new study suggests.

October 21, 2015

Black hole gas guzzler may explain weird superbright X-rays

A black hole is eating a star faster than scientists had thought was possible, and it's unleashing unusually bright X-ray signals that may help scientists understand a group of weird, superbright objects in deep space.

October 21, 2015

How viewing Earth as an exoplanet can help search for alien life

An extraterrestrial spacecraft lurking in a satellite's orbit near Earth would be able to see city lights and pollution in our atmosphere.

October 21, 2015

European space probe makes rendezvous with comet after decade-long chase

The European Space Agency says comet-chasing space probe Rosetta has reached its destination after a journey lasting more than a decade.

October 21, 2015

Cold dead star may be a giant diamond

Astronomers aren't being poetic when they say this star is a diamond.

October 21, 2015

Supernova seen through cosmic 'cigar smoke' by NASA telescope

A NASA space telescope captured an amazing view of a new supernova, seeing the star explosion through the cosmic smoke of the relatively nearby Cigar Galaxy.

October 21, 2015

Largest yellow star ever seen revealed in new light

A powerful telescope in Chile has imaged the largest yellow star ever discovered.