Facts about our Sun, including its distance from Earth, what the Sun is made of, and how long it would take to drive there (hint: a long time!).

The claim: The sun and the moon are the same size and the same distance from Earth. A Dec. 28, 2023, Facebook post (direct link, archive link) claims humanity's basic understanding of the solar ...

A sunspot four times the size of the Earth is crossing the sun right now. The mark is so big it can be seen with the naked eye, said one astronomer. But it's very dangerous to look straight at the ...

The sun has developed a massive “hole” 20 times larger than Earth, marking the second such occurrence in a week. The coronal hole is unleashing solar winds of 2.9 million km/h toward Earth ...

The sun is really, really big. The sun lies at the centre of the solar system where it dwarfs all other objects. It holds 99.8% of the solar system’s mass and is roughly 109 times the diameter of the ...

Learn the differences between our Earth, the Sun and the Moon. Then explore how together they create day and night and our different seasons with their orbits.

The discovery of an Earth-like planet 4,000 light years away in the Milky Way galaxy provides a preview of one possible fate for our planet billions of years in the future, when the sun has turned ...

Let's say we want to build a model of the sun and Earth alone. Earth has a radius of about 6,371 kilometers (3,959 miles), but let's represent this with a marble 1 centimeter in diameter.

A 'hole' 30 times Earth's size has spread across the sun, blasting solar winds that'll hit our planet by end of this week. Rebecca Cohen,Jessica Orwig,Morgan McFall-Johnsen.

On Friday, solar astronomy website Spaceweather.com reported that a sunspot known as AR3068 had just emerged from the southeastern side of the sun and had tripled in size in the space of a day.

The Sun and Moon appear to be of similar angular size in Earth's sky due to a coincidental ratio of their respective sizes and distances from Earth. This near-perfect alignment enables observation ...