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October 21, 2015

X-Ray signal may illuminate dark matter mystery

Two spacecraft have detected a possible signal of dark matter, the mysterious, invisible stuff that makes up most of the material universe.

October 21, 2015

Mysterious 'magic island' unveiled as Saturn's moon warms

Scientists are as giddy as an enchanted snowman, as summer solstice approaches on Titan, Saturn's largest moon

October 21, 2015

Radio telescopes give scientists rare look under the surface of the moon

Two huge radio telescopes have given scientists a rare look beneath the surface of the moon.

October 21, 2015

NASA finds star as cold as North Pole

A brown dwarf as cold as the North Pole has been discovered lurking remarkably close to our solar system, and it appears to be the coldest of its kind yet found, scientists say.

October 21, 2015

Rest in pieces: Comet ISON officially dead, Sun chief suspect

Comet ISON, once optimistically called the comet of the century, is dead, the victim of a way-too-close brush with the sun. It was barely a year old.

October 21, 2015

Cosmos may be curved, scientists say

Evidence left over after the Big Bang may suggest a saddle-shaped universe, new data suggests.

October 21, 2015

Hubble telescope spots 'cosmic caterpillar' 6 trillion miles long

The Hubble Space Telescope has captured what scienitsts are describing as a "cosmic caterpillar" nearly 6 trillion miles long slinking through deepspace.

October 21, 2015

Russia launches animals into space on one-month journey

An intrepid critter crew of geckos, mice and gerbils and other animals launched into orbit Friday to begin a month-long Russian experiment to study how space travel affects living creatures.

October 20, 2015

Look up! 13 must-see stargazing events in 2013

As 2012 comes to a close, some might wonder what is looming sky-wise for 2013.What celestial events might we look forward to seeing?

October 20, 2015

World's most advanced telescope spies distant galaxies' early lives

A high-tech robotic instrument on the Very Large Telescope in Chile has seen its first light, and the results bode well for the future.