The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

A paraplegic engineer has become the first wheelchair user in space, blasting off with Blue Origin. Severely injured in a ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

Discover the secrets of 3I/ATLAS, a 7-billion-year-old interstellar comet making its closest approach to Earth on Dec 19.

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

Since then, astronomers have observed all manner of lensing caused by all manner of bodies—perhaps none as visually striking ...

Aerospace company L3Harris announced it has completed testing of the Advanced Electric Propulsion System (AEPS) thrusters for ...

A new analysis of data from NASA’s Cassini spacecraft may upend Titan’s status as an ocean world. But it might still have pockets of water within a slushy ice layer ...

Conceived not long after the first Chevy small blocks hit American streets, the RL10 was the type of rocket engine you could ...

For decades, deep space exploration has depended on a handful of obscure isotopes quietly heating small nuclear batteries on ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...