Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

Stephen Hawking's eerie alien theory might explain why we've never been contacted ...

The Milky Way is at least 100,000 light-years across, but the new results suggest that the galaxy's star formation takes place within a region that extends to a radius of 40,000 light-years from the ...

Milky Way season, when the galaxy's bright center is visible, is underway. The best viewing time in the Northern Hemisphere is from March to September. The Milky Way can be seen without special ...

Astronomers have finally identified where the Milky Way’s star-making activity fades, uncovering a long-sought boundary in ...