Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

A research team led by the University of Arizona has reconstructed in unprecedented detail the history of a dust grain that formed during the birth of the solar system more than 4.5 billion years ago.

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

In 2015, a NASA spacecraft snapped spectacular photographs of Pluto, forever changing humanity’s view of that world. On Tuesday that same probe, New Horizons, will provide a closeup of the farthest ...

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In a new study published on arXiv, a team determined that the interstellar comet could be older than the solar system's Sun.

From the same developers who made the periodic table sexy, comes something which doesn’t need added gloss to lure people in (though it helps): the solar system ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...