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Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and how it got here. A new study led by Western astrophysicists Cole Gregg and ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our solar system — and even producing a few meteors in our sky. Located just 4.3 light-years from ...

A nonprofit wants to begin humanity's first deliberate voyage toward another star using solar power, electric thrust and ...

Fermi projects the trip would take a minimum of 80,000 years and cost just under $15 million, a relatively small budget for a ...

The team hopes to launch to Alpha Centauri in 2029, in an attempt to tackle the Fermi paradox. The mission will not be a quick one.