This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).

Back in 2010, scientists spotted something shocking: a pair of gigantic, glowing lobes of gas bursting from the Milky Way’s ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

Researchers have discovered cold hydrogen clouds within superheated Fermi bubbles at the Milky Way's center, challenging ...

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

Astronomers are delving into five cosmic enigmas that challenge our understanding of the universe: the suspected Planet Nine ...

A gargantuan "exhaust vent" may be channeling hot gas away from the Milky Way's supermassive black hole at millions of miles per hour — and filling up two enormous bubbles that tower over the galaxy.