Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

During winter in the United States, the Earth's Northern Hemisphere is tilted away from the sun. Less sunlight shines ...

The 21st century is featuring a second space age that is increasingly private.

At the end of 2024, ESA's Solar Orbiter was lucky to witness a strong solar flare - and observed the events leading up to this firework with ...

Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

You're not imaging it. The sun has been rising later in Illinois following the winter solstice. But the days aren't getting ...

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

Earth’s slow axial wobbles—known as precession cycles—do not just shape long-term climate trends. A new study led by ...

Created by two uni mates whose last gig was a David Hasselhoff comedy, the series has become a star-making transatlantic hit. Now it’s back for a high-stakes new season that heads everywhere from Ghan ...

The Moon will turn blood red for over an hour during a rare total lunar eclipse in 2026. Here's when it happens.