Jupiter's fourth-largest moon is a main character in our search for other life-friendly places in our solar system.

An asteroid estimated to be a kilometer (3,451 feet) wide will fly by Earth on January 18. The video in the media player above is from a related report. It will pass within 1.2 million miles of our ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

NASA has been forced to delay its historic mission that would send astronauts to the Moon for the first time since 1972. This ...

In late 2022, NASA celebrated its Double Asteroid Redirection Test (DART) as a massive success, a proof of concept for saving humanity in case a similar space rock were to ever head straight for Earth ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Orion spacecraft, which sits atop the Space Launch System rocket for liftoff, are seen at Kennedy Space Center in Florida ...

Getting to space is hard. In many ways, getting back is even harder. NASA soon aims to pull off the kind of re-entry it last conducted more than 50 years ago: safely returning astronauts to Earth ...