The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

The sun’s outer atmosphere resembles a pufferfish.

From an early age, we are taught to understand that the planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

Scientists expect the Sun to balloon into a “red giant” star in approximately five billion years, cooking the inner planets into char as it does. But what will happen after our sun dies? While that’s ...

Our Sun had a companion and there could be many undiscovered dwarf planets in the outer Solar System. That’s according to a new paper from scientists from Harvard University. Published today in The ...

The solar system originated from a collapsing cloud of gas and dust approximately 4.5 billion years ago, with the Sun forming in the central region through nuclear fusion and the planets condensing ...

Meteorites can act as time capsules, preserving molecules from the solar system’s infancy. Certain fingerprints have been detected in these ancient space rocks that suggest a supernova went off right ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 4 years old. First Jupiter then ...

Stars, much like humans, go through different stages of life, from birth through middle age through senescence. At the moment, our solar system’s sun is in its yellow dwarf stage of life — essentially ...