Trying to understand the makeup and evolution of the solar system's Kuiper belt has kept researchers busy since it was ...

Identifying asteroids on a potential collision course with Earth could be made easier thanks to an advancement in how to ...

I enjoy marking day’s end, beginning of nighttime, with a glance to the dazzling white Evening Star low in the ...

The nearby star Vega, featured in the 1997 movie Contact, appears to have a smooth disk devoid of giant planets for reasons ...

The migration of Jupiter, Saturn, Uranus, and Neptune from closer to wider orbits around the sun occurred 60-100 million ...

Earth’s celestial companion is leaving. Well, not its natural satellite, but a temporary mini-moon captured by Earth's ...

Scientists believe Ryugu formed on the outskirts of the early solar system before migrating in toward the asteroid belt, eventually ... play a role in giant planet formation, from Jupiter to ...

The 10m-wide asteroid dubbed 2024 PT5 had been circling the Earth since 29 September in an orbit about 3.2 million km from ...

Earth's "second moon" won't be sticking around for Thanksgiving, but just as many of us will on Thursday (Nov. 28), it seems ...

Pluto and other large bodies in the Kuiper Belt are surprisingly rich in rock rather than ice. It may be because the early ...

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...