The Latest Breaking News from NASA

"We do not know with certainty that we found a superkilonova, but the event nevertheless is eye-opening."

3I/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.

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system.

For one, it came down to timing.

Viral images of interstellar object 3I/ATLAS have generated wild claims of a hollow comet with a mysterious dark core. As it nears Earth, what is the truth?

A SpaceX Starlink satellite is falling to Earth after a mid-orbit failure on 17 December. While the craft is expected to burn up safely beneath the International Space Station, the event highlights growing worries over orbital debris.

On Thursday (Dec. 18), President Donald Trump issued an executive order designed to ensure American space superiority. It calls for the initial construction of a moon base by 2030, among other goals.

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight. Here's how to see it.

The three-dimensional view will help scientists learn more about the origins of life in the Milky Way galaxy and how the universe’s hundreds of millions of galaxies have changed over time