The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.

But what’s it like on other planets? There are eight planets in our solar system. The closest one to the sun is Mercury, then it’s Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Portugal has reached a new milestone in renewable energy production. In January 2025, 72% of the country’s electricity demand was supplied ...

The sun undergoes such a reversal every 11 years, which marks an important stage in the solar cycle. The shift in polarity marks the point at which the sun is halfway through solar maximum ...

Jamie Carter is an award-winning reporter who covers the night sky. Surging across the solar system from the sun, the solar wind carries charged particles that strike the planets, on Earth causing ...

When the Sun's magnetic field reverses, the heliospheric current sheet, a surface extending from the solar equator, becomes more wavy. This modification can offer better protection against cosmic rays ...