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

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 ...

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

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

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

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

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.