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

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University of Amsterdam in a statement. This orbital period places it a little closer ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... and sent pieces of the red planet hurtling through space. One of these chunks of Mars ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

Throughout February, so long as clear nights prevail, you’ll be able to see the moon in the night sky along with many of our solar system ... of the planet by the European Space Agency ...