Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

NASA has confirmed that there are over 6,000 exoplanets floating out there in the galaxy, with another 8,000 exoplanets that ...

Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary ...

Using the James Webb Space Telescope, UK scientists have found an atmosphere on a red hot planet 280 light years away, in the ...

NASA’s Hubble Space Telescope has captured infant planets colliding around Fomalhaut, one of the brightest stars in the night sky.

NASA has selected L3Harrist o develop advanced optics and mirror systems for the Habitable Worlds Observatory, a flagship space telescope searching for life beyond Earth.

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...

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