It is the source of short-period comets like Halley's Comet. The largest Kuiper Belt objects include Pluto, Haumea, Makemake, and Eris. Pluto was reclassified as a dwarf planet in 2006. The Kuiper ...

Earth will be getting a second moon in the form of Asteroid 2024 PT5, which will start orbiting our planet later this month.

Astronomers and sky watchers have their fingers crossed that an approaching comet could put on a nighttime show on Earth next month, but it’s already strutting its stuff for those in space.

In Japan, Autumnal Equinox Day is a national holiday. In Japanese, it’s known as Shubun no Hi (秋分の日), according to Coto ...

Both of The Star’s stories look at the Royals playoff chances. Pete Grathoff breaks down Royals tiebreakers. They win with ...

Scientists aren't sure if 2024 PT5 is an asteroid. At roughly 10 meters in length, 2024 PT5 is difficult to spot without a ...

There are nine named meteor showers left in 2024, with at least one meteor shower being active at all times. That means you ...

The mirrors for NASA's Near-Earth Object Surveyor space telescope are being installed and aligned, and work on other ...

Comet Tsuchinshan-ATLAS will sweep around the sun on Sept. 27 to make a brief foray into the morning sky. Will it be a bright ...

Earth will grab itself another moon this month, but only briefly. The "mini-moon" in the form of asteroid 2024 PT5 will stick ...

The comet is expected to reach perihelion, closest to the sun at 36 million miles, on Friday, September 27. This will come ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...