But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

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

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

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

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

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13, reaching the perihelion of its massive, 160,000-year orbit through our solar system. The comet was only first ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

What was once the world's largest solar power plant of its type appears headed for closure just 11 years after opening, under ...