"Thanks for all your effort," wrote the first moonwalker. Neil Armstrong was appreciative, but as explained in his ...

"We're at solar maximum; to find time to make some of these big changes is going to require time and more resources, so we ...

The world's fastest supercomputer 'El Capitan' can reach a peak performance of 2.746 exaFLOPS, making it the planet's third ...

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

Just above the moon will be Mars, shining with a steady orange glow. Both the moon and Mars will be in the Gemini ...

As such, the ISS operates on Coordinated Universal Time, UTC, also known as Greenwich Mean Time (GMT). This puts NASA ...

"Exploring the clouds, say by balloon, can be done with technology that's ready today," Byrne told Space.com. "We could ...

A 1-in-83 chance of an impact represented a 1.2% chance of an impact. That meant there was a 98.8% that 2024 YR4 would miss ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

SpaceX launched another batch of its Starlink internet satellites from Florida's Space Coast on Saturday (Feb. 8). A Falcon 9 ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...