The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

The moon will then continue its march across the sky and meet with Mars on February 9, but keen ... up at these planets, you’re peering into the vast expanse of our solar system.

At 9 km per second (which is close to a whopping ... astronomers could measure only the mass and the radius of planets outside the solar system. Today, telescopes like ESO's VLT already allow ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... interplanetary ... Dec. 9, 2024 — Dust storms on ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto’s status to that of dwarf planet.

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Davis Astronomy Club invites everyone on the evening of Saturday, Jan. 25, for a free viewing of the rare alignment of six ...

Exoplanet WASP-127b is a hot Jupiter, a gas giant planet orbiting very close to its star. The system is more than 500 ...