The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum ...

In a striking new view from space, the European Space Agency's Solar Orbiter has given scientists their first close-up ...

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

In March, ESA's spacecraft Solar Orbiter had its first clear view of the Sun’s south pole. A first analysis has now been published. Huge cells of hot plasma cover the Sun and create the large-scale, ...

Uranus is the only planet that rotates sideways with a 98-degree tilt. Learn why Uranus spins this way, how its seasons last ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

ESA’s Solar Orbiter captures the first detailed look at the Sun’s poles, revealing fast-moving plasma and magnetic flows.

A global team observed a massive plasma burst from EK Draconis, showing how early solar storms may have shaped young planets.

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand ...

When you gaze at the morning sky, you expect a planet’s day to be shorter than its year. But on Venus, that rule flips on its ...

Earth’s magnetosphere, once thought to have a simple electric polarity pattern, has revealed a surprising twist. New ...