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 ...

Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

In the past month, Earth experienced some of its shortest days on record. The planet spun quickly enough to shave 1.4 milliseconds off of its usual 24-hour day. These natural accelerations in Earth’s ...

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

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

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

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

Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ...

The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the ...