The Milky Way's interstellar medium—that is, the dust and gas that threads between our galaxy's billions of stars—is an abundant yet elusive material. That means the latest image from NASA's James ...

The passage of an interstellar object through our Solar System remains a rare event. After 'Oumuamua and Borisov, the third ...

The intricate whorls and striations of dust that drift between the stars have just been revealed in stupefying detail. In new images from JWST, we're finally seeing exquisite details of the flow and ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

Voyager 1 is 14.1 billion miles from Earth. It is the furthest man-made object from our planet, and it moves farther and farther away from us and into interstellar space every day. And still, more ...

In astronomy, the interstellar medium (ISM) is the matter and radiation that exist in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as ...

NASA’s Voyager 1 spacecraft made history in 2012 by entering interstellar space, leaving the planets and the solar wind behind But observations from the pioneering probe were puzzling with regard to ...