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

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

The Pentagon set up a system in Defense Secretary Pete Hegseth's office that enabled him to check messages on the encrypted messaging app Signal while at the office, sources familiar with the ...

“The planets pass through the same area of sky where we see the Moon, and so it won’t be rare for Saturn or Venus to be near the Moon – however how often we can interpret them as smiley ...

The Trump administration's slate of reciprocal tariffs took effect on April 9, 12:01 a.m. ET. The tariffs have roiled markets since President Donald Trump announced them last week. Trump said ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

Ecosystems support all life on Earth. The healthier our ecosystems are, the healthier the planet - and its people. Restoring our damaged ecosystems will help to end poverty, combat climate change ...