Two of Neptune's innermost moons perform a strange dance to avoid each other that is weird and completely unique compared to all known orbits, according to new research. Two of Neptune's innermost ...

Astronomers reported Wednesday the discovery of what could be two planets sharing the same orbit around their star. They said it’s the strongest evidence yet of this bizarre cosmic pairing, long ...

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described Ammonite, a potential dwarf planet beyond Pluto. Yesterday, astronomers announced ...

NORFOLK, Va. — Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to ...

On the same day that a crew of private spacefarers completed the first ever spacewalk by commercial astronauts, Earth’s orbit is more populated than ever. With the arrival of three people to the ...

In 2018, astronomers discovered a brown dwarf binary system. Brown dwarfs are stellar objects that never had enough mass to fuse hydrogen and become fully fledged stars. They are often found in ...