In the late 1950s, Project Orion proposed a spacecraft driven by rapid nuclear pulses, a pusher plate, and shock absorbers, with designs ranging from an eight crew ship to a city sized interstellar ...

An extraordinary new image of interstellar comet 3I/ATLAS has given scientists their clearest view yet of a rare visitor from ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Four astronauts on the Crew-11 mission will depart the International Space Station as early as Wednesday on NASA's 1st ...

NASA's 3I/ATLAS interstellar visitor sparks debate as Harvard's Avi Loeb suggests alien origins. Discover the 'X' shaped ...

A new image of the interstellar object 3I/ATLAS released by NASA has raised questions among astronomers and could change ...

The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

Throughout December, the SETI Institute appeared across leading science and media outlets, reflecting the SETI Institute’s ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By ...

It sounds like something from the plot of Interstellar, but this plan to beam precious data back to Earth—before it’s lost ...

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...