Solar activity has been on an overall decline since the ‘80s and scientists were expecting us to plunge into a historic low ...

On the side of the Sun facing Earth, a giant coronal hole appeared in the shape of an enormous love heart, many times the ...

Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

A total lunar eclipse already happened in September, now a partial solar eclipse is set to occur this weekend.

A partial solar eclipse happens Sunday in parts of the Southern Hemisphere. Saturn will also appear at its brightest, with Earth directly between it and the sun.

Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans survive this dramatic cosmic ...

The point at which the sun is directly overhead at the equator before moving towards the winter solstice in December changes ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...