Discover what could happen if Planet X entered our solar system unexpectedly. Veterans flood Democrat’s office with ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

See what happens if you jumped on every planet in our solar system.

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

Since the interstellar comet 3I/ATLAS was discovered this past July — just the third confirmed object to arrive from another star — ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

A newly announced analysis of comet 3I/ATLAS has renewed global scientific interest in interstellar objects and their potential to reveal the ...

All Starlink users are amazed: being able to connect to the internet in the most remote corners of the planet, even without ...

The Enceladus Orbilander is a planned mission that in the 2030s should reach Saturn's sixth-largest moon in a bid to find ...