In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

New research claims that Venus could be hiding dangerous asteroids capable of destruction if they collide with Earth.

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.

Researchers from Rice University claim to have fresh evidence of Planet Nine - as well as a method to find it.

Twenty years ago, Congress gave NASA a directive: find 90% of the near-Earth asteroids that could potentially harm our little ...

As the rocky planets begin to settle into their orbits, Proto-Earth and Thea uncover the Sun’s true purpose for the Solar ...

Asteroids are considered potentially hazardous asteroids (PHA) if they have a diameter of at least 140 metres and come within ...

JR is an Apollo class, defined by the Earth-crossing orbits. With a speed of around 40,800 kilometres per hour (25,356 miles ...

"It's astonishing that even after 4.5 billion years, enough clues remain to let us reconstruct Jupiter's physical state at the dawn of its existence," stated Fred C. Adams, professor of physics and ...

The ninth flight test of SpaceX's Starship megarocket is scheduled for later today, with an hour-long launch window opening ...

The ocean covers most of Earth and may exist beyond it—scientists now suspect a distant exoplanet could be entirely covered ...

Scientists eye LHS 1140 b as a top candidate for habitability, with signs of a warm ocean and a possible atmosphere just 41 ...