The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

The possibility of Planet Nine being out there way beyond Pluto has always excited astronomers. They have now found one body ...

To uncover these signatures, the researchers used ALMA to map the motion of gas ... at relationships too — Earth-size planet discovered around cool red dwarf star shares its name with a biscuit ...

NASA scientists and researchers from the University of Tokyo have used supercomputers to find out exactly when life on Earth ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the coming months.