A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Every year, the moon moves just a little farther away from our planet. Scientists have calculated the rate at which our ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

(That star, Proxima Centauri, is 4.25 light-years away.) The fourth one ... At about 100 times that distance, the optical gleam of Earth’s city lights would fade to black—better but still ...

It may seem like a question with a simple answer: How far away is the moon? But the distance between Earth and our closest neighbor is more nuanced than a single number. "The commonly quoted ...

NASA engineers have revived old thrusters on Voyager 1 to prevent a clog from endangering the mission during a planned ...

is the date that 2024 YR4 will pass closest to Earth. How far away is Asteroid 2024 YR4 from Earth now? Asteroid 2024 YR4’s current orbit is taking it away from Earth; it’s currently about 30 ...