NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, as early as 2027.

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

Richard Binzel, a professor of planetary sciences at MIT who is part of a team working on a NASA mission to Pluto, poses with ...

A UK startup has unveiled a new fusion-powered space rocket concept called Sunbird for interplanetary travel to Mars — and beyond.

NASA’s twin Voyager spacecraft have just kept swimming – or zooming through space, collecting data from interstellar space ...

New Frontiers has played a crucial role in U.S. efforts to explore the solar system and return valuable scientific ...

The 95 years since then have been ones of changing fortune for little Pluto. For decades after the first eight planets were barnstormed, orbited, and landed upon by spacecraft from Earth ...

A close-up view of Pluto’s Sputnik Planitia, captured by NASA's New Horizons spacecraft. | Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute With ...

NASA's New Horizons spacecraft conducted the first and only flyby of the Pluto system, culminating at the closest approach of that distant world in July 2015. Sailing onward, the probe carried out ...