NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was no ordinary comet.

New forecasts are helping scientists pinpoint one of the most elusive locations in space: the outer boundary of the Sun’s ...

A new Southwest Research Institute (SwRI) study based on data from NASA's New Horizons spacecraft has uncovered insights into ...

Discover the 25 Space Events NASA Is Tracking Right Now, from Moon missions to deep space probes and future launches. Explore ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

(International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; Image Processing: J. Miller & M. Rodriguez ...

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...