Stars don't form out of nothing, but tracking the gas and dust that do eventually form stars is hard. They float around the galaxy at almost absolute zero, emitting essentially no light, and generally ...

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes ...

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.

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

An international team of astronomers has managed to peer into the first billion years of the cosmos thanks to the Atacama ...

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The James Webb Space Telescope has captured a rare glimpse at the gaseous "shrouds" that surround dying stars before they go ...

In the case of Voyager 1, it’s been picking up the faint hum of plasma waves in the interstellar medium. The plasma that Voyager 1 is encountering was produced by our Sun, the researchers say.

The “Wall of Fire” and the Edge of the Solar System. Launched in 1977, NASA’s Voyager probes were designed to explore the edge of the Solar System and the interstellar medium. After decades ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...