The first space race was about flags and footprints. Now, the new race is to build there, and doing so hinges on power.

A lunar nuclear reactor may sound dramatic, but its neither illegal nor unprecedented. But it does raise critical questions ...

Nuclear reactors in space may sound like something out of science fiction, but they are likely to prove important for ...

NISAR — which stands for NASA-ISRO Synthetic Aperture Radar — will use two radar instruments operating at different ...

The mission will give Indian planners, the scientific community, end-users, and other stakeholders a wealth of experience and ...

How will NASA use a helicopter to explore Saturn's moon Titan? What triggers a star to explode in a powerful supernova? Discuss these topics and more at Caltech ...

NASA and India plan to deploy a satellite that will map the Earth down to a centimeter after a launch on Wednesday from the ...

Exciting new findings reveal that WASP-121b, a blazing-hot giant planet, may have formed far from its star in a colder, ice-rich region—before migrating inward to its current extreme orbit. Chemical f ...

Lee esta historia en español aquí. Data from NISAR will map changes to Earth’s surface, helping improve crop management, natural hazard monitoring, and tracking of sea ice and glaciers. A new ...

Current and former NASA employees have co-signed a declaration protesting changes at the agency that some say pose a grave risk to astronauts.