Because they're surrounded by foul-smelling gases that are incompatible with the human sense of smell, living on the surface ...

IT is easy to feel like we know nothing about our universe, and unexplained stellar objects are the most puzzling feature of ...

For years, astronomers have been hunting for Planet Nine, a hypothetical giant planet believed to be lurking at the far ...

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

The Vera C. Rubin Observatory could be key to discovering a ninth planet in our Solar System that has so far remained in ...

Jupiter" exoplanet called 2M1207b, precisely 20 years ago this week. This was the first direct visual confirmation of a world ...

Astronomers have hunted for this planet since 2016. Could one more year of searching finally solve the mystery?

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

Only NASA's New Horizons spacecraft—one of five spacecraft that have reached the outer solar system—has managed to fly ...

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the ...

Astronomers from the Nicolaus Copernicus University in Torun have discovered a new planet in the constellation of the Great ...