The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years But RPS is expensive, costing ...

Nuclear rockets are moving from Cold War concept to near-term hardware, and the shift could reshape how quickly and safely ...

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...

John Casani spent more than half a century turning speculative ideas about distant worlds into working spacecraft that could survive the trip. His quiet influence at NASA’s Jet Propulsion Laboratory ...

SpaceX is preparing to launch three spacecraft on a first-of-its-kind mission to study the sun's influence throughout the solar system, from Earth's atmosphere to the edge of interstellar space. A ...

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

The White House's FY2026 budget proposes a significant 25% reduction in NASA's overall funding, dropping from $25 billion to $18.8 billion. The proposed budget prioritizes human space exploration with ...

NASA's IMAP mission and two other space weather probes took flight atop a Falcon 9 rocket today (Sept. 24). SpaceX just sent three space weather probes to the final frontier. A Falcon 9 rocket lifted ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.