Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

As power systems evolve to accommodate rising levels of renewable energy, traditional grid-following converters (GFLs) are no ...

Astronomers first identified these minerals using the now-three-year-old James Webb Space Telescope. To see where exactly the ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the ...

In a study published Tuesday in the journal Physical Review D, physicists at MIT say the presence of a tiny black hole speeding through the solar system could be identified by the gentle ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...