NASA and its partners have successfully tested a nuclear thermal propulsion (NTP) fuel that could revolutionize deep-space ...

NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...

New data shrank the odds that this asteroid will hit Earth, but astronomers will continue to study it. Here’s what you need ...

Scientists at NASA might have to make some tough decisions in the near future to knock an asteroid out of Earth's path ...

A recently-discovered asteroid, which is estimated to be between 130ft and 330ft in diameter, could strike Planet Earth in ...

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...

SCIENTISTS do not have much time to deflect an asteroid a size of a football pitch that is hurtling towards Earth, an expert ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Scientists are debating multiple options to deal with an asteroid which could hit Earth in 2032 – but one is emerging as the ...

NASA and General Atomics successfully tested nuclear fuel for faster, more efficient space travel, pushing Mars missions forward.