These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.

O n November 16, 1974, the incredible Arecibo radio telescope was used not to receive radio light from the universe but to send out a message to the stars. And 50 years on, the message, the content, ...

Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe ...

ALMA has revealed evidence of a new type of slim, filamentary structure that drives cycles of depletion and replenishment. At the heart of our galaxy, in the turbulent region surrounding the ...

Black holes are fundamental to the structure of galaxies and critical in our understanding of gravity, space, and time. A ...

The universe doesn't come with an instruction manual—but if it did, University of Missouri Assistant Professor Charles ...

Researchers mapped a far-infrared landscape brimming with nearly 2,000 galaxies. There may be "hidden galaxies" lurking just out of sight.

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

Can scientists build a detector of near-Earth objects that would sense gravitational waves produced by any "dark" objects ...