In the most comprehensive radio study of Europa thus far, astronomers bolster what's already known about the icy moon, and then some.

The oddly shaped rock is likely the byproduct of a catastrophic collision millions of years ago.

The Russian space agency recently backed down from a plan to saw through a section of the space station.

A NASA investigation blamed poor training and procedures for damage to a 70-meter radio frequency antenna.

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

The company's suborbital vehicle launched on a secret government mission and ended up somewhere unexpected.

X-59 flew at Mach 1.4 in preparation for debuting its quiet thump to the public.

Caltech says its Deep Synoptic Array will be larger and 100-times faster than any radio telescope ever constructed.

The Hubble tension—a disagreement over the universe's expansion rate—has led to fears of a cosmology crisis, but is it actually that serious?