Researchers have identified a distinctive ultraviolet signature of water in the interstellar comet known as 3I/ATLAS.

From orbit, Earth looks less like a postcard and more like a living system of light, color and motion, where human ...

For years, Saturn’s largest moon, Titan, has been held up as one of the most promising ocean worlds in the solar system, a place where a hidden global sea of liquid water might quietly slosh beneath ...

NASA and its commercial partners are conducting demonstrations of advanced satellite relay capabilities supporting near-Earth science missions as part of the Communications Services Project.

Jared Isaacman, a pilot and financial tech billionaire, has commanded two groundbreaking spaceflights, including leading the ...

NASA seeks capabilities that enable the delivery of systems allowing crews to detect and interpret anomalous spacecraft ...

HawkEye 360 said Innovative Signal Analysis will operate as its subsidiary following the transaction's completion.

WASHINGTON — HawkEye 360, a U.S. commercial satellite company that tracks radio-frequency signals from orbit, announced Dec.

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...