The Fermi bubbles were discovered in 2010 by NASA’s Fermi Gamma-ray Space Telescope. The two orbs form an hourglass structure ...

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

Readings from Green Bank Telescope detect cloud made of cold hydrogen gas inside bubbles of superheated plasma.

Astronomers using the Green Bank Telescope in West Virginia have spotted massive clouds of cold hydrogen gas hiding within the Fermi bubbles.

Astronomers have detected cold hydrogen clouds within the Fermi bubbles near the Milky Way's core, suggesting a recent black hole eruption.

Researchers studying the Milky Way’s center have discovered unexpected cold hydrogen clouds nestled inside the Fermi bubbles, ...

Astronomers have made a surprising discovery at the heart of our galaxy—the Milky Way. They’ve found cold clouds of gas floating inside the blazing-hot Fermi bubbles, enormous structures of ...