In September 2023, NASA's Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

For astrobiologists, the search for life beyond our solar system could be likened to where one would look in a vast ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

NASA's Mars Reconnaissance Orbiter recently photographed Candor Chasma in Mars' Valles Marineris, the largest canyon in the ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Our understanding of the solar system is a work in progress. Pluto’s demotion to a dwarf planet was just one of many revisions—in recent decades astronomers have cataloged new dwarfs, like far ...

But this definition of the solar system is considered to be far too simple by some astronomers, such as Caltech's Mike Brown. "It's not really true," Brown told Live Science in an email.