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Stephen Hawking is backing a project to send tiny spacecraft to another star system within a generation. They would travel trillions of miles; far further than any previous craft.
 interstellar probe Stephen Hawking
Scientists have found the beginnings of life-bearing chemistry at the centre of the galaxy. Iso-propyl cyanide has been detected in a star-forming cloud 27,000 light-years from Earth.
 interstellar space life chemistry
When I sat down with the mission's project scientist in California in August 2012, his response was much the same as always: "My best estimate is that it will be in the next couple of years, but it may be in the next couple of days. It's unknown." Not anymore.
 Voyager Voyager 1 interstellar probe
Scientists may have identified the first specks of interstellar dust in material collected by the US space agency's Stardust spacecraft.


 interstellar dust matter astronomy probe
Japanese scientists are celebrating the successful deployment of their solar sail, Ikaros.


 Ikaros solar sail propulsion space travel interstellar
A Nonprofit Foundation Dedicated To Achieving Interstellar Flight By 2100.
 Icarus Daedalus space travel interstellar travel interstellar travel space project future
The 100 Year Starship™ Study is an effort seeded by DARPA to develop a viable and sustainable model for persistent, long-term, private-sector investment into the myriad of disciplines needed to make long-distance space travel practicable and feasible.


 space travel century travel space interstellar travel interstellar
Chemical factories around young stars may give rise to far more complex molecules than previously thought.


 star molecule chemistry matter complexity carbon organic interstellar astronomy universe philosophy extraterrestrial life
It has been widely acknowledged that self-replicating space-probes (SRPs) could explore the galaxy very quickly relative to the age of the galaxy. An obvious implication is that SRPs produced by extraterrestrial civilizations should have arrived in our solar system millions of years ago, and furthermore, that new probes from an ever-arising supply of civilizations ought to be arriving on a constant basis. The lack of observations of such...


 probe space extraterrestrial life space travel self-replication Fermi Paradox interstellar
Scientists working on Voyager 1 are receiving further data suggesting the probe is close to crossing into interstellar space.


 particle Voyager probe Solar System interstellar space space travel edge