Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long ...

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

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...

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 ...

The Prime Directive is the most important rule in "Star Trek," enforcing the safety of alien societies. Here are seven times ...

Saturn’s rings appeared to disappear on November 23 due to a rare optical illusion. The phenomenon, which occurs every 13 to ...

Maverick astrophysicist Dr Avi Loeb has continued to put forward his claim that 3I/ATLAS looks like more than just a lump of ...

On 23 November, skywatchers were stunned as Saturn looked strangely bare in the night sky, a rare cosmic moment that made its ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life. Binary star system Eta Cassiopeiae, located just 19 light-years away, ...

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...