In anticipation of the upcoming 35th anniversary of the NASA/ESA Hubble Space Telescope, ESA/Hubble is kicking off the ...
Washington: A mysterious X-ray signal from the Helix Nebula has puzzled scientists for over 40 years. Now, new research ...
A new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of ...