Astronomers link an X-ray nebula to a pulsar-powered PeVatron, offering major clues to the origins of galactic cosmic rays.

Long before rockets and satellites reached space, the Crab Nebula stood out as a steady beacon of high-energy light. At its ...

New Tarantula Nebula observations from the Atacama Large Millimeter/submillimeter Array (ALMA) are combined with imagery from ESO’s Very Large Telescope and the Visible and Infrared Survey Telescope ...

Are We Inside a Dark Nebula? Recent Investigations Suggest that Our Part of Space is Slightly Hazy, and Provide a Hypothesis of the Origin of the Sun's Family of Comets By Henry Norris Russell July ...