Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

The International Space Station is marking 25 years of nonstop human presence in orbit. Nearly 300 people have lived aboard ...

Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon ...

The dust-up over the lunar lander could pit Elon Musk against his billionaire rival Jeff Bezos. And it has already sparked a ...

On Wednesday, the space companies owned by two of the richest people on Earth — Elon Musk’s SpaceX and Jeff Bezos’ Blue Origin — submitted ideas to the space agency for a faster program to land ...

Matt Rogers, dressed as Nigel from “The Devil Wears Prada” for Halloween, joins TODAY’s Jenna Bush Hager and guest co-host Savannah Guthrie to break down the top five things in pop culture, including ...

NASA's new research reframes orbital debris as a financial risk, quantifying the economic impact of collisions and mission ...

SpaceX posted a response to criticisms of delays in its Starship program from NASA acting Administrator Sean Duffy.

Experts warn that the Starship Human Landing System may be years behind schedule, but SpaceX says it has a new plan to save its Artemis 3 contract.

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.

SpaceX says it is developing a “simplified” lunar landing mission architecture while defending the progress it has made on ...