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

Asteroids are remnants of the formation of our solar system, and while many can be found within the asteroid belt between the ...

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

Astronomers used the Two-meter Twin Telescope to catch a "see-you-soon" image of the departing asteroid 2024 PT5.

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

Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins ...

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

NASA astronauts Suni Williams, Nick Hague, Butch Wilmore and Don Pettit give us a glimpse of Thanksgiving on the ...

Earth's recent "mini-moon" asteroid 2024 PT5 didn't stick around for Thanksgiving, but don't be sad. It will be back... but ...

Earth has a temporary, tiny companion. While not quite a "mini moon," since it will never be captured by Earth's gravity, ...

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 ...