If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

Earth's forests play a critical role in keeping our planet habitable. Often called the "lungs of the Earth," forests cover ...

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Once a year, this planet passes through a celestial beehive typically seen in the night sky during the spring. And it's about ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

Wildlife filmmaker Bertie Gregory curated the final selection for the "NatGeoYourShotOurHome" challenge from thousands of ...

A powerful cosmic event from 2004—a gamma-ray burst from a magnetar 30,000 light-years away—has just been revealed as a major ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

The planetarium, located at 100 Center Ave., is open from 8 a.m. to 4 p.m. Monday and Tuesday; 8 a.m. to 7:30 p.m. Wednesday ...

HONOLULU (HawaiiNewsNow) - Strengthening trade winds will be locally breezy into next week. Brief showers will favor windward ...