Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

A 62-page document written by billionaire Jared Isaacman outlines a sweeping, ambitious, and at times controversial plan for the space agency.

Buildings at Goddard’s Maryland campus are being emptied and padlocked, sources say. NASA leadership has pushed back against the concerns.

Blue Origin, the spaceflight company founded by billionaire Jeff Bezos, launched its towering New Glenn rocket on a landmark second mission.

Jeff Bezos founded Blue Origin. Its New Glenn rocket, with liftoff from Florida, is carrying a Mars-bound spacecraft. How to ...

Atlas fuels debate as NASA delays new images. See what data exist, why releases lag, what scientists say, and what to watch next.

NASA's Artemis campaign is the agency's ambitious campaign to return Americans to the surface of the moon for the first time in more than 50 years. Starship, the approximately 400-foot megarocket that ...

SpaceX, which has been testing its massive Starship spacecraft from South Texas, has proposed to NASA a new plan for a moon ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...