A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

Compared to our 4.5-billion-year-old sun, ​​the 20-million-year-old V1298 Tau is a stellar baby, making it ideal for ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

Astronomers have detected a rogue planet roughly the size of Saturn wandering alone through the Milky Way. Unlike most ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Astronomers have spotted something unusual, a planet that doesn’t orbit any star. It’s just drifting alone through space.

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...