Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

The Earth, the solar system, and the entire Milky Way are stranded near the centre of a giant, mysterious hole where the ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

That’s exactly what unfolded in a project led by Dr. Veselin Kostov of the SETI Institute and NASA’s Goddard Space Flight ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

Black holes are already among the most mysterious objects in the galaxy, and yet, one specific type has almost completely ...