The formation of Mercury remains an unsolved mystery. The planet closest to the sun has a disproportionately large metallic core—accounting for about 70% of its mass—and a relatively small rocky ...

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can create planets.

Here are the three zodiac signs who are the most likely to be shiny, glowing, and radiant this fall.

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

A recent study has sparked intrigue by suggesting the existence of a mysterious object from beyond our solar system behaving ...

The exoplanet was discovered during preliminary observations from the James Webb Space Telescope. Experts say they could soon ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...

Oct. 27 PT/28 ET are going to be the luckiest days of fall 2025, thanks to a beautiful series of trines involving lucky ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

The number of alien planets is monitored by NASA's Exoplanet Science Institute (NExScI), based in Pasadena, California. But ...

“Interstellar objects may be able to jump start planet formation, in particular around higher-mass stars,” Pfalzner said in a ...

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