Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...