Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

Scientists got a never-before-seen look at an area around a large exoplanet 625 light-years away where moons could potentially form.

Alpha Centauri, also known as Alpha Centauri A, is a three-star system. The brightest star, Alpha Centauri A, is quite ...

What can exoplanets orbiting M-dwarf stars teach scientists about planetary formation and evolution? This is what a recent ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from ...

Many planetary systems are born in slightly tilted protoplanetary disks, which would explain the misaligned orbits from the ...

This illustration shows an exoplanet orbiting around two brown dwarfs –– objects bigger than gas-giant planets but too small to be proper stars. ESO/M. Kornmesser Astronomers have discovered a ...

A team of scientists has found a new planet which orbits the wrong way around its host star. The planet, named WASP-17, and orbiting a star 1000 light years away, was found by the UK’s WASP project in ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, ...