The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

What’s different about this 10-day test flight is not only that it returns astronauts to the vicinity of the moon for the ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

NASA's James Webb Space Telescope has zoomed into the Helix Nebula to give an up-close view of the possible eventual fate of ...

What we're seeing in the nebula is, in a sense, a moment of death that lays the groundwork for a new birth. The dying star ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

Here's what to know about the Saturn and moon conjunction and how to view the celestial event.

Skywatchers across the Bay Area will have a rare early-morning opportunity Thursday as a NASA SpaceX Dragon spacecraft makes ...

NASA said the unidentified astronaut is "stable," but the agency is considering all options, including a possible early return to Earth for Crew 11 ...