A viral backyard-telescope photo claims to outshine NASA's $30 billion "close-up" view of interstellar object 3I/ATLAS — but ...

NASA Scientist Tom Statler termed it “a window into the deep past,” and the phrase has rapidly become the emotional center of ...

NASA has finally published several observations of interstellar comet 3I/ATLAS that were taken during the long government ...

NASA confirms hydrogen detection from 3I/Atlas using MAVEN, providing new clues about the interstellar comet’s makeup.

After weeks of silence, NASA has officially dismissed speculation that 3I/ATLAS has anything to do with aliens.

On a typical Martian day, NASA’s MAVEN spacecraft studies Mars’ atmosphere to understand how the planet became so ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

NASA’s Solar Terrestrial Relations Observatory (STEREO), set to launch aboard a Boeing Delta II rocket on Aug. 31, will be the focus of a media opportunity at 1 p.m. Friday at Astrotech in Titusville, ...

Add articles to your saved list and come back to them any time. The US space agency has released the first pictures of the full Sun from front to back, taken by NASA's twin solar spacecraft which have ...