New research suggests Earth's Moon formed from the catastrophic collision of our planet with its \"sister\" planet, Theia, ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for ...

The United Nations (UN) has confirmed that Earth's planetary defenses will be observing the interstellar comet 3I/ATLAS as it races through our solar system .

Mars' watery past is becoming clearer, with evidence of ancient rivers and long-lasting surface water. While a supposed south ...

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...

Recently, the rover has discovered that Mars' atmosphere is electrically active, because it found electrical discharges. The ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Deep within Earth’s mantle, scientists have uncovered surprising evidence that traces of the planet’s early form,proto-Earth, ...

These aren’t the first Mars sounds transmitted by Perseverance. Earthlings have listened in to the rover’s wheels crunching ...

The peculiar sighting has left astronomers baffled as one Harvard scientist believes it's an alien mothership.