The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

Aerospace giant Lockheed Martin has proposed a new, relatively cheaper plan that could save NASA's Mars Sample Return (MSR) ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A mysterious object just tore through our Solar System leaving scientists and physics questioning an old following rare 2017 ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

Astronomers are meticulously tracking the new interstellar visitor that is crossing our solar system. Officially designated ...

White House takes aim at several projects failing to meet cost and schedule estimates—and several more that aren’t.

The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.

China has conducted two spacewalks from its Tiangong space station in as many months and is advancing on its lunar ...

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and entered our solar system on a one-time flyby. It was first spotted by the ATLAS ...