What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive ...

The strange outer-space object 'Oumuamua flew through our solar system in 2017 and captured our imaginations. Meaning "scout" or "messenger" in Hawaiian, 'Oumuamua was the first known visitor from ...

The Aerospace Corporation designed, built, and worked with NASA to successfully launch an entirely new kind of spacecraft, and most people have not heard about it. On December 18th, 2025, NASA and The ...

For the next two months, the moon will have a temporary companion in its orbit around the Earth. A small asteroid, called a “mini-moon,” will partially circle the Earth before returning on an ...

Neptune’s oddball moon Nereid may be the sole remnant of an earlier system, formed near the planet rather than being pulled in from afar.

How did Jupiter’s formation shape the solar system, and specifically Earth’s orbit? This is what a recent study published in Science Advances hopes to address as a team of scientists investigated the ...

The size of the moon, as perceived from earth, is dependent on its location within its elliptical orbit around the earth. And ...